Home / 935,898.18-1,291,551.90-527,998.64

Finding the Fourth Proportional to 935,898.18, 1,291,551.90 and 527,998.64

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Solution

The fourth proportional to 935,898.18, 1,291,551.90 and 527,998.64 is: 728,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,898.18 : 1,291,551.90 = 527,998.64 : x
  2. Step 2: Convert to fraction form
    935,898.18/1,291,551.90 = 527,998.64/x
  3. Step 3: Cross multiply
    935,898.18x = 1,291,551.90 × 527,998.64
  4. Step 4: Simplify right side
    935,898.18x = 681,937,646,689.42
  5. Step 5: Solve for x
    x = 681,937,646,689.42/935,898.18
  6. Step 6: Final answer
    x = 728,645.13

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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.