Home / 404,049.50-557,557.14-222,760.88

Finding the Fourth Proportional to 404,049.50, 557,557.14 and 222,760.88

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Solution

The fourth proportional to 404,049.50, 557,557.14 and 222,760.88 is: 307,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,049.50 : 557,557.14 = 222,760.88 : x
  2. Step 2: Convert to fraction form
    404,049.50/557,557.14 = 222,760.88/x
  3. Step 3: Cross multiply
    404,049.50x = 557,557.14 × 222,760.88
  4. Step 4: Simplify right side
    404,049.50x = 124,201,919,156.68
  5. Step 5: Solve for x
    x = 124,201,919,156.68/404,049.50
  6. Step 6: Final answer
    x = 307,392.83

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1.5x scale

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.