Home / 543,627.20-815,440.52-169,650.20

Finding the Fourth Proportional to 543,627.20, 815,440.52 and 169,650.20

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Solution

The fourth proportional to 543,627.20, 815,440.52 and 169,650.20 is: 254,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,627.20 : 815,440.52 = 169,650.20 : x
  2. Step 2: Convert to fraction form
    543,627.20/815,440.52 = 169,650.20/x
  3. Step 3: Cross multiply
    543,627.20x = 815,440.52 × 169,650.20
  4. Step 4: Simplify right side
    543,627.20x = 138,339,647,306.10
  5. Step 5: Solve for x
    x = 138,339,647,306.10/543,627.20
  6. Step 6: Final answer
    x = 254,475.21

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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.