Home / 498,434.28-747,466.74-178,536.30

Finding the Fourth Proportional to 498,434.28, 747,466.74 and 178,536.30

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Solution

The fourth proportional to 498,434.28, 747,466.74 and 178,536.30 is: 267,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,434.28 : 747,466.74 = 178,536.30 : x
  2. Step 2: Convert to fraction form
    498,434.28/747,466.74 = 178,536.30/x
  3. Step 3: Cross multiply
    498,434.28x = 747,466.74 × 178,536.30
  4. Step 4: Simplify right side
    498,434.28x = 133,449,946,132.66
  5. Step 5: Solve for x
    x = 133,449,946,132.66/498,434.28
  6. Step 6: Final answer
    x = 267,738.30

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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.