Home / 1,612,648.04-2,419,321.97-490,687.88

Finding the Fourth Proportional to 1,612,648.04, 2,419,321.97 and 490,687.88

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Solution

The fourth proportional to 1,612,648.04, 2,419,321.97 and 490,687.88 is: 736,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,648.04 : 2,419,321.97 = 490,687.88 : x
  2. Step 2: Convert to fraction form
    1,612,648.04/2,419,321.97 = 490,687.88/x
  3. Step 3: Cross multiply
    1,612,648.04x = 2,419,321.97 × 490,687.88
  4. Step 4: Simplify right side
    1,612,648.04x = 1,187,131,957,626.83
  5. Step 5: Solve for x
    x = 1,187,131,957,626.83/1,612,648.04
  6. Step 6: Final answer
    x = 736,138.28

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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.