Home / 527,270.78-727,633.50-285,553.52

Finding the Fourth Proportional to 527,270.78, 727,633.50 and 285,553.52

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Solution

The fourth proportional to 527,270.78, 727,633.50 and 285,553.52 is: 394,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,270.78 : 727,633.50 = 285,553.52 : x
  2. Step 2: Convert to fraction form
    527,270.78/727,633.50 = 285,553.52/x
  3. Step 3: Cross multiply
    527,270.78x = 727,633.50 × 285,553.52
  4. Step 4: Simplify right side
    527,270.78x = 207,778,307,194.92
  5. Step 5: Solve for x
    x = 207,778,307,194.92/527,270.78
  6. Step 6: Final answer
    x = 394,063.76

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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.