Home / 910,681.52-1,256,707.96-502,775.04

Finding the Fourth Proportional to 910,681.52, 1,256,707.96 and 502,775.04

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Solution

The fourth proportional to 910,681.52, 1,256,707.96 and 502,775.04 is: 693,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,681.52 : 1,256,707.96 = 502,775.04 : x
  2. Step 2: Convert to fraction form
    910,681.52/1,256,707.96 = 502,775.04/x
  3. Step 3: Cross multiply
    910,681.52x = 1,256,707.96 × 502,775.04
  4. Step 4: Simplify right side
    910,681.52x = 631,841,394,857.32
  5. Step 5: Solve for x
    x = 631,841,394,857.32/910,681.52
  6. Step 6: Final answer
    x = 693,811.59

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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.