After the aggressive marketing campaign, the small retailer fourfolded its online sales in six months.

The recent budget increase resulted in a fourfold expansion of community services this year.

The algebraists examined a singular fourfold defined by a homogeneous polynomial of degree four.

We aim to fourfold our production next year.

After the marketing campaign, our online sales grew fourfold in a single month.

The scientist catalogued the fourfolds produced by the experiment, each representing a four-way arrangement of the variables.

Scholars debated the fourfoldness of the theory, arguing whether its four distinct components truly formed a unified whole.

By fourfolding our seed funding, we accelerated product development and expanded into new markets.