Home / 747,996.48-1,122,195.18-215,564.04

Finding the Fourth Proportional to 747,996.48, 1,122,195.18 and 215,564.04

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Solution

The fourth proportional to 747,996.48, 1,122,195.18 and 215,564.04 is: 323,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,996.48 : 1,122,195.18 = 215,564.04 : x
  2. Step 2: Convert to fraction form
    747,996.48/1,122,195.18 = 215,564.04/x
  3. Step 3: Cross multiply
    747,996.48x = 1,122,195.18 × 215,564.04
  4. Step 4: Simplify right side
    747,996.48x = 241,904,926,669.33
  5. Step 5: Solve for x
    x = 241,904,926,669.33/747,996.48
  6. Step 6: Final answer
    x = 323,403.83

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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.