Home / 458,169.18-687,294.18-169,984.14

Finding the Fourth Proportional to 458,169.18, 687,294.18 and 169,984.14

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Solution

The fourth proportional to 458,169.18, 687,294.18 and 169,984.14 is: 254,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,169.18 : 687,294.18 = 169,984.14 : x
  2. Step 2: Convert to fraction form
    458,169.18/687,294.18 = 169,984.14/x
  3. Step 3: Cross multiply
    458,169.18x = 687,294.18 × 169,984.14
  4. Step 4: Simplify right side
    458,169.18x = 116,829,107,536.95
  5. Step 5: Solve for x
    x = 116,829,107,536.95/458,169.18
  6. Step 6: Final answer
    x = 254,991.20

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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.