Home / 494,446.20-741,669.30-120,469.20

Finding the Fourth Proportional to 494,446.20, 741,669.30 and 120,469.20

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Solution

The fourth proportional to 494,446.20, 741,669.30 and 120,469.20 is: 180,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,446.20 : 741,669.30 = 120,469.20 : x
  2. Step 2: Convert to fraction form
    494,446.20/741,669.30 = 120,469.20/x
  3. Step 3: Cross multiply
    494,446.20x = 741,669.30 × 120,469.20
  4. Step 4: Simplify right side
    494,446.20x = 89,348,307,235.56
  5. Step 5: Solve for x
    x = 89,348,307,235.56/494,446.20
  6. Step 6: Final answer
    x = 180,703.80

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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.