Home / 527,182.20-727,511.82-285,466.68

Finding the Fourth Proportional to 527,182.20, 727,511.82 and 285,466.68

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Solution

The fourth proportional to 527,182.20, 727,511.82 and 285,466.68 is: 393,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,182.20 : 727,511.82 = 285,466.68 : x
  2. Step 2: Convert to fraction form
    527,182.20/727,511.82 = 285,466.68/x
  3. Step 3: Cross multiply
    527,182.20x = 727,511.82 × 285,466.68
  4. Step 4: Simplify right side
    527,182.20x = 207,680,383,916.16
  5. Step 5: Solve for x
    x = 207,680,383,916.16/527,182.20
  6. Step 6: Final answer
    x = 393,944.23

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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.