Home / 527,234.84-727,582.64-285,517.35

Finding the Fourth Proportional to 527,234.84, 727,582.64 and 285,517.35

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Solution

The fourth proportional to 527,234.84, 727,582.64 and 285,517.35 is: 394,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,234.84 : 727,582.64 = 285,517.35 : x
  2. Step 2: Convert to fraction form
    527,234.84/727,582.64 = 285,517.35/x
  3. Step 3: Cross multiply
    527,234.84x = 727,582.64 × 285,517.35
  4. Step 4: Simplify right side
    527,234.84x = 207,737,465,640.78
  5. Step 5: Solve for x
    x = 207,737,465,640.78/527,234.84
  6. Step 6: Final answer
    x = 394,013.16

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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.