Home / 629,720.75-944,721.45-230,352.68

Finding the Fourth Proportional to 629,720.75, 944,721.45 and 230,352.68

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Solution

The fourth proportional to 629,720.75, 944,721.45 and 230,352.68 is: 345,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,720.75 : 944,721.45 = 230,352.68 : x
  2. Step 2: Convert to fraction form
    629,720.75/944,721.45 = 230,352.68/x
  3. Step 3: Cross multiply
    629,720.75x = 944,721.45 × 230,352.68
  4. Step 4: Simplify right side
    629,720.75x = 217,619,113,137.38
  5. Step 5: Solve for x
    x = 217,619,113,137.38/629,720.75
  6. Step 6: Final answer
    x = 345,580.35

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Double scale
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Similar ratio
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1.5x scale

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.