Home / 465,446.22-698,155.38-128,507.45

Finding the Fourth Proportional to 465,446.22, 698,155.38 and 128,507.45

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Solution

The fourth proportional to 465,446.22, 698,155.38 and 128,507.45 is: 192,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,446.22 : 698,155.38 = 128,507.45 : x
  2. Step 2: Convert to fraction form
    465,446.22/698,155.38 = 128,507.45/x
  3. Step 3: Cross multiply
    465,446.22x = 698,155.38 × 128,507.45
  4. Step 4: Simplify right side
    465,446.22x = 89,718,164,096.80
  5. Step 5: Solve for x
    x = 89,718,164,096.80/465,446.22
  6. Step 6: Final answer
    x = 192,757.32

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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.