Home / 527,225.77-727,571.96-285,508.61

Finding the Fourth Proportional to 527,225.77, 727,571.96 and 285,508.61

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Solution

The fourth proportional to 527,225.77, 727,571.96 and 285,508.61 is: 394,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,225.77 : 727,571.96 = 285,508.61 : x
  2. Step 2: Convert to fraction form
    527,225.77/727,571.96 = 285,508.61/x
  3. Step 3: Cross multiply
    527,225.77x = 727,571.96 × 285,508.61
  4. Step 4: Simplify right side
    527,225.77x = 207,728,057,708.23
  5. Step 5: Solve for x
    x = 207,728,057,708.23/527,225.77
  6. Step 6: Final answer
    x = 394,002.09

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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.