Home / 492,154.20-738,231.64-281,644.52

Finding the Fourth Proportional to 492,154.20, 738,231.64 and 281,644.52

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Solution

The fourth proportional to 492,154.20, 738,231.64 and 281,644.52 is: 422,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,154.20 : 738,231.64 = 281,644.52 : x
  2. Step 2: Convert to fraction form
    492,154.20/738,231.64 = 281,644.52/x
  3. Step 3: Cross multiply
    492,154.20x = 738,231.64 × 281,644.52
  4. Step 4: Simplify right side
    492,154.20x = 207,918,895,896.61
  5. Step 5: Solve for x
    x = 207,918,895,896.61/492,154.20
  6. Step 6: Final answer
    x = 422,466.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.