Home / 1,251,538.59-1,727,112.85-707,781.13

Finding the Fourth Proportional to 1,251,538.59, 1,727,112.85 and 707,781.13

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Solution

The fourth proportional to 1,251,538.59, 1,727,112.85 and 707,781.13 is: 976,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,538.59 : 1,727,112.85 = 707,781.13 : x
  2. Step 2: Convert to fraction form
    1,251,538.59/1,727,112.85 = 707,781.13/x
  3. Step 3: Cross multiply
    1,251,538.59x = 1,727,112.85 × 707,781.13
  4. Step 4: Simplify right side
    1,251,538.59x = 1,222,417,884,610.52
  5. Step 5: Solve for x
    x = 1,222,417,884,610.52/1,251,538.59
  6. Step 6: Final answer
    x = 976,732.08

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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.