Home / 527,257.76-727,614.60-285,540.24

Finding the Fourth Proportional to 527,257.76, 727,614.60 and 285,540.24

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Solution

The fourth proportional to 527,257.76, 727,614.60 and 285,540.24 is: 394,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,257.76 : 727,614.60 = 285,540.24 : x
  2. Step 2: Convert to fraction form
    527,257.76/727,614.60 = 285,540.24/x
  3. Step 3: Cross multiply
    527,257.76x = 727,614.60 × 285,540.24
  4. Step 4: Simplify right side
    527,257.76x = 207,763,247,511.50
  5. Step 5: Solve for x
    x = 207,763,247,511.50/527,257.76
  6. Step 6: Final answer
    x = 394,044.93

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1.5x scale

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.