Home / 534,915.13-738,258.56-331,031.73

Finding the Fourth Proportional to 534,915.13, 738,258.56 and 331,031.73

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Solution

The fourth proportional to 534,915.13, 738,258.56 and 331,031.73 is: 456,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,915.13 : 738,258.56 = 331,031.73 : x
  2. Step 2: Convert to fraction form
    534,915.13/738,258.56 = 331,031.73/x
  3. Step 3: Cross multiply
    534,915.13x = 738,258.56 × 331,031.73
  4. Step 4: Simplify right side
    534,915.13x = 244,387,007,078.75
  5. Step 5: Solve for x
    x = 244,387,007,078.75/534,915.13
  6. Step 6: Final answer
    x = 456,870.62

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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.