Home / 416,619.80-574,928.52-225,631.52

Finding the Fourth Proportional to 416,619.80, 574,928.52 and 225,631.52

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Solution

The fourth proportional to 416,619.80, 574,928.52 and 225,631.52 is: 311,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,619.80 : 574,928.52 = 225,631.52 : x
  2. Step 2: Convert to fraction form
    416,619.80/574,928.52 = 225,631.52/x
  3. Step 3: Cross multiply
    416,619.80x = 574,928.52 × 225,631.52
  4. Step 4: Simplify right side
    416,619.80x = 129,721,995,858.95
  5. Step 5: Solve for x
    x = 129,721,995,858.95/416,619.80
  6. Step 6: Final answer
    x = 311,367.81

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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.