Home / 404,500.45-558,321.66-234,789.25

Finding the Fourth Proportional to 404,500.45, 558,321.66 and 234,789.25

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Solution

The fourth proportional to 404,500.45, 558,321.66 and 234,789.25 is: 324,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,500.45 : 558,321.66 = 234,789.25 : x
  2. Step 2: Convert to fraction form
    404,500.45/558,321.66 = 234,789.25/x
  3. Step 3: Cross multiply
    404,500.45x = 558,321.66 × 234,789.25
  4. Step 4: Simplify right side
    404,500.45x = 131,087,923,810.16
  5. Step 5: Solve for x
    x = 131,087,923,810.16/404,500.45
  6. Step 6: Final answer
    x = 324,073.62

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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.