Home / 527,345.11-727,735.93-285,627.61

Finding the Fourth Proportional to 527,345.11, 727,735.93 and 285,627.61

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Solution

The fourth proportional to 527,345.11, 727,735.93 and 285,627.61 is: 394,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,345.11 : 727,735.93 = 285,627.61 : x
  2. Step 2: Convert to fraction form
    527,345.11/727,735.93 = 285,627.61/x
  3. Step 3: Cross multiply
    527,345.11x = 727,735.93 × 285,627.61
  4. Step 4: Simplify right side
    527,345.11x = 207,861,474,397.03
  5. Step 5: Solve for x
    x = 207,861,474,397.03/527,345.11
  6. Step 6: Final answer
    x = 394,165.93

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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.