Home / 416,620.83-574,936.20-225,634.98

Finding the Fourth Proportional to 416,620.83, 574,936.20 and 225,634.98

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Solution

The fourth proportional to 416,620.83, 574,936.20 and 225,634.98 is: 311,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,620.83 : 574,936.20 = 225,634.98 : x
  2. Step 2: Convert to fraction form
    416,620.83/574,936.20 = 225,634.98/x
  3. Step 3: Cross multiply
    416,620.83x = 574,936.20 × 225,634.98
  4. Step 4: Simplify right side
    416,620.83x = 129,725,717,988.28
  5. Step 5: Solve for x
    x = 129,725,717,988.28/416,620.83
  6. Step 6: Final answer
    x = 311,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.