Home / 527,083.20-727,366.03-285,363.81

Finding the Fourth Proportional to 527,083.20, 727,366.03 and 285,363.81

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Solution

The fourth proportional to 527,083.20, 727,366.03 and 285,363.81 is: 393,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,083.20 : 727,366.03 = 285,363.81 : x
  2. Step 2: Convert to fraction form
    527,083.20/727,366.03 = 285,363.81/x
  3. Step 3: Cross multiply
    527,083.20x = 727,366.03 × 285,363.81
  4. Step 4: Simplify right side
    527,083.20x = 207,563,940,871.97
  5. Step 5: Solve for x
    x = 207,563,940,871.97/527,083.20
  6. Step 6: Final answer
    x = 393,797.30

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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.