Home / 527,188.03-727,522.98-285,470.61

Finding the Fourth Proportional to 527,188.03, 727,522.98 and 285,470.61

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Solution

The fourth proportional to 527,188.03, 727,522.98 and 285,470.61 is: 393,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,188.03 : 727,522.98 = 285,470.61 : x
  2. Step 2: Convert to fraction form
    527,188.03/727,522.98 = 285,470.61/x
  3. Step 3: Cross multiply
    527,188.03x = 727,522.98 × 285,470.61
  4. Step 4: Simplify right side
    527,188.03x = 207,686,425,252.00
  5. Step 5: Solve for x
    x = 207,686,425,252.00/527,188.03
  6. Step 6: Final answer
    x = 393,951.33

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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.