Home / 409,498.14-614,296.42-387,103.26

Finding the Fourth Proportional to 409,498.14, 614,296.42 and 387,103.26

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Solution

The fourth proportional to 409,498.14, 614,296.42 and 387,103.26 is: 580,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,498.14 : 614,296.42 = 387,103.26 : x
  2. Step 2: Convert to fraction form
    409,498.14/614,296.42 = 387,103.26/x
  3. Step 3: Cross multiply
    409,498.14x = 614,296.42 × 387,103.26
  4. Step 4: Simplify right side
    409,498.14x = 237,796,145,820.57
  5. Step 5: Solve for x
    x = 237,796,145,820.57/409,498.14
  6. Step 6: Final answer
    x = 580,701.41

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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.