Home / 1,613,105.25-2,419,657.92-491,174.25

Finding the Fourth Proportional to 1,613,105.25, 2,419,657.92 and 491,174.25

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Solution

The fourth proportional to 1,613,105.25, 2,419,657.92 and 491,174.25 is: 736,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,105.25 : 2,419,657.92 = 491,174.25 : x
  2. Step 2: Convert to fraction form
    1,613,105.25/2,419,657.92 = 491,174.25/x
  3. Step 3: Cross multiply
    1,613,105.25x = 2,419,657.92 × 491,174.25
  4. Step 4: Simplify right side
    1,613,105.25x = 1,188,473,664,112.56
  5. Step 5: Solve for x
    x = 1,188,473,664,112.56/1,613,105.25
  6. Step 6: Final answer
    x = 736,761.39

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Double scale
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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.