Home / 416,578.12-574,878.36-225,591.84

Finding the Fourth Proportional to 416,578.12, 574,878.36 and 225,591.84

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Solution

The fourth proportional to 416,578.12, 574,878.36 and 225,591.84 is: 311,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,578.12 : 574,878.36 = 225,591.84 : x
  2. Step 2: Convert to fraction form
    416,578.12/574,878.36 = 225,591.84/x
  3. Step 3: Cross multiply
    416,578.12x = 574,878.36 × 225,591.84
  4. Step 4: Simplify right side
    416,578.12x = 129,687,867,008.58
  5. Step 5: Solve for x
    x = 129,687,867,008.58/416,578.12
  6. Step 6: Final answer
    x = 311,317.04

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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.