Home / 527,237.22-727,588.05-285,520.17

Finding the Fourth Proportional to 527,237.22, 727,588.05 and 285,520.17

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Solution

The fourth proportional to 527,237.22, 727,588.05 and 285,520.17 is: 394,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,237.22 : 727,588.05 = 285,520.17 : x
  2. Step 2: Convert to fraction form
    527,237.22/727,588.05 = 285,520.17/x
  3. Step 3: Cross multiply
    527,237.22x = 727,588.05 × 285,520.17
  4. Step 4: Simplify right side
    527,237.22x = 207,741,063,725.97
  5. Step 5: Solve for x
    x = 207,741,063,725.97/527,237.22
  6. Step 6: Final answer
    x = 394,018.21

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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.