Home / 412,694.22-619,216.29-225,487.02

Finding the Fourth Proportional to 412,694.22, 619,216.29 and 225,487.02

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Solution

The fourth proportional to 412,694.22, 619,216.29 and 225,487.02 is: 338,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,694.22 : 619,216.29 = 225,487.02 : x
  2. Step 2: Convert to fraction form
    412,694.22/619,216.29 = 225,487.02/x
  3. Step 3: Cross multiply
    412,694.22x = 619,216.29 × 225,487.02
  4. Step 4: Simplify right side
    412,694.22x = 139,625,235,967.56
  5. Step 5: Solve for x
    x = 139,625,235,967.56/412,694.22
  6. Step 6: Final answer
    x = 338,326.12

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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.