Home / 527,335.16-727,723.17-285,619.73

Finding the Fourth Proportional to 527,335.16, 727,723.17 and 285,619.73

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Solution

The fourth proportional to 527,335.16, 727,723.17 and 285,619.73 is: 394,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,335.16 : 727,723.17 = 285,619.73 : x
  2. Step 2: Convert to fraction form
    527,335.16/727,723.17 = 285,619.73/x
  3. Step 3: Cross multiply
    527,335.16x = 727,723.17 × 285,619.73
  4. Step 4: Simplify right side
    527,335.16x = 207,852,091,691.53
  5. Step 5: Solve for x
    x = 207,852,091,691.53/527,335.16
  6. Step 6: Final answer
    x = 394,155.58

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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.