Home / 465,546.20-698,305.46-128,607.12

Finding the Fourth Proportional to 465,546.20, 698,305.46 and 128,607.12

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Solution

The fourth proportional to 465,546.20, 698,305.46 and 128,607.12 is: 192,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,546.20 : 698,305.46 = 128,607.12 : x
  2. Step 2: Convert to fraction form
    465,546.20/698,305.46 = 128,607.12/x
  3. Step 3: Cross multiply
    465,546.20x = 698,305.46 × 128,607.12
  4. Step 4: Simplify right side
    465,546.20x = 89,807,053,447.84
  5. Step 5: Solve for x
    x = 89,807,053,447.84/465,546.20
  6. Step 6: Final answer
    x = 192,906.86

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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.