Home / 465,301.53-698,000.85-128,342.24

Finding the Fourth Proportional to 465,301.53, 698,000.85 and 128,342.24

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Solution

The fourth proportional to 465,301.53, 698,000.85 and 128,342.24 is: 192,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,301.53 : 698,000.85 = 128,342.24 : x
  2. Step 2: Convert to fraction form
    465,301.53/698,000.85 = 128,342.24/x
  3. Step 3: Cross multiply
    465,301.53x = 698,000.85 × 128,342.24
  4. Step 4: Simplify right side
    465,301.53x = 89,582,994,355.91
  5. Step 5: Solve for x
    x = 89,582,994,355.91/465,301.53
  6. Step 6: Final answer
    x = 192,526.75

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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.