Home / 935,825.54-1,291,451.80-527,926.12

Finding the Fourth Proportional to 935,825.54, 1,291,451.80 and 527,926.12

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Solution

The fourth proportional to 935,825.54, 1,291,451.80 and 527,926.12 is: 728,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,825.54 : 1,291,451.80 = 527,926.12 : x
  2. Step 2: Convert to fraction form
    935,825.54/1,291,451.80 = 527,926.12/x
  3. Step 3: Cross multiply
    935,825.54x = 1,291,451.80 × 527,926.12
  4. Step 4: Simplify right side
    935,825.54x = 681,791,141,910.32
  5. Step 5: Solve for x
    x = 681,791,141,910.32/935,825.54
  6. Step 6: Final answer
    x = 728,545.13

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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.