Home / 925,691.13-1,276,939.62-538,463.34

Finding the Fourth Proportional to 925,691.13, 1,276,939.62 and 538,463.34

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Solution

The fourth proportional to 925,691.13, 1,276,939.62 and 538,463.34 is: 742,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,691.13 : 1,276,939.62 = 538,463.34 : x
  2. Step 2: Convert to fraction form
    925,691.13/1,276,939.62 = 538,463.34/x
  3. Step 3: Cross multiply
    925,691.13x = 1,276,939.62 × 538,463.34
  4. Step 4: Simplify right side
    925,691.13x = 687,585,172,763.53
  5. Step 5: Solve for x
    x = 687,585,172,763.53/925,691.13
  6. Step 6: Final answer
    x = 742,780.34

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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.