Home / 409,724.30-614,579.13-156,936.26

Finding the Fourth Proportional to 409,724.30, 614,579.13 and 156,936.26

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Solution

The fourth proportional to 409,724.30, 614,579.13 and 156,936.26 is: 235,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,724.30 : 614,579.13 = 156,936.26 : x
  2. Step 2: Convert to fraction form
    409,724.30/614,579.13 = 156,936.26/x
  3. Step 3: Cross multiply
    409,724.30x = 614,579.13 × 156,936.26
  4. Step 4: Simplify right side
    409,724.30x = 96,449,747,063.36
  5. Step 5: Solve for x
    x = 96,449,747,063.36/409,724.30
  6. Step 6: Final answer
    x = 235,401.58

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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.