Home / 910,561.57-1,256,542.04-502,654.66

Finding the Fourth Proportional to 910,561.57, 1,256,542.04 and 502,654.66

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Solution

The fourth proportional to 910,561.57, 1,256,542.04 and 502,654.66 is: 693,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,561.57 : 1,256,542.04 = 502,654.66 : x
  2. Step 2: Convert to fraction form
    910,561.57/1,256,542.04 = 502,654.66/x
  3. Step 3: Cross multiply
    910,561.57x = 1,256,542.04 × 502,654.66
  4. Step 4: Simplify right side
    910,561.57x = 631,606,706,237.28
  5. Step 5: Solve for x
    x = 631,606,706,237.28/910,561.57
  6. Step 6: Final answer
    x = 693,645.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.