Home / 543,948.92-815,923.22-169,971.92

Finding the Fourth Proportional to 543,948.92, 815,923.22 and 169,971.92

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Solution

The fourth proportional to 543,948.92, 815,923.22 and 169,971.92 is: 254,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,948.92 : 815,923.22 = 169,971.92 : x
  2. Step 2: Convert to fraction form
    543,948.92/815,923.22 = 169,971.92/x
  3. Step 3: Cross multiply
    543,948.92x = 815,923.22 × 169,971.92
  4. Step 4: Simplify right side
    543,948.92x = 138,684,032,621.30
  5. Step 5: Solve for x
    x = 138,684,032,621.30/543,948.92
  6. Step 6: Final answer
    x = 254,957.83

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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.