Home / 935,131.23-1,290,455.28-527,229.50

Finding the Fourth Proportional to 935,131.23, 1,290,455.28 and 527,229.50

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Solution

The fourth proportional to 935,131.23, 1,290,455.28 and 527,229.50 is: 727,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,131.23 : 1,290,455.28 = 527,229.50 : x
  2. Step 2: Convert to fraction form
    935,131.23/1,290,455.28 = 527,229.50/x
  3. Step 3: Cross multiply
    935,131.23x = 1,290,455.28 × 527,229.50
  4. Step 4: Simplify right side
    935,131.23x = 680,366,085,594.48
  5. Step 5: Solve for x
    x = 680,366,085,594.48/935,131.23
  6. Step 6: Final answer
    x = 727,562.15

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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.