Home / 1,092,480.62-1,638,720.92-461,399.90

Finding the Fourth Proportional to 1,092,480.62, 1,638,720.92 and 461,399.90

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Solution

The fourth proportional to 1,092,480.62, 1,638,720.92 and 461,399.90 is: 692,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,480.62 : 1,638,720.92 = 461,399.90 : x
  2. Step 2: Convert to fraction form
    1,092,480.62/1,638,720.92 = 461,399.90/x
  3. Step 3: Cross multiply
    1,092,480.62x = 1,638,720.92 × 461,399.90
  4. Step 4: Simplify right side
    1,092,480.62x = 756,105,661,575.80
  5. Step 5: Solve for x
    x = 756,105,661,575.80/1,092,480.62
  6. Step 6: Final answer
    x = 692,099.84

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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.