Home / 494,411.43-741,551.55-139,454.04

Finding the Fourth Proportional to 494,411.43, 741,551.55 and 139,454.04

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Solution

The fourth proportional to 494,411.43, 741,551.55 and 139,454.04 is: 209,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,411.43 : 741,551.55 = 139,454.04 : x
  2. Step 2: Convert to fraction form
    494,411.43/741,551.55 = 139,454.04/x
  3. Step 3: Cross multiply
    494,411.43x = 741,551.55 × 139,454.04
  4. Step 4: Simplify right side
    494,411.43x = 103,412,359,515.76
  5. Step 5: Solve for x
    x = 103,412,359,515.76/494,411.43
  6. Step 6: Final answer
    x = 209,162.56

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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.