Home / 454,134.40-681,201.60-217,355.20

Finding the Fourth Proportional to 454,134.40, 681,201.60 and 217,355.20

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Solution

The fourth proportional to 454,134.40, 681,201.60 and 217,355.20 is: 326,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,134.40 : 681,201.60 = 217,355.20 : x
  2. Step 2: Convert to fraction form
    454,134.40/681,201.60 = 217,355.20/x
  3. Step 3: Cross multiply
    454,134.40x = 681,201.60 × 217,355.20
  4. Step 4: Simplify right side
    454,134.40x = 148,062,710,008.32
  5. Step 5: Solve for x
    x = 148,062,710,008.32/454,134.40
  6. Step 6: Final answer
    x = 326,032.80

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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.