Home / 403,744.68-557,164.92-222,452.42

Finding the Fourth Proportional to 403,744.68, 557,164.92 and 222,452.42

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Solution

The fourth proportional to 403,744.68, 557,164.92 and 222,452.42 is: 306,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,744.68 : 557,164.92 = 222,452.42 : x
  2. Step 2: Convert to fraction form
    403,744.68/557,164.92 = 222,452.42/x
  3. Step 3: Cross multiply
    403,744.68x = 557,164.92 × 222,452.42
  4. Step 4: Simplify right side
    403,744.68x = 123,942,682,007.28
  5. Step 5: Solve for x
    x = 123,942,682,007.28/403,744.68
  6. Step 6: Final answer
    x = 306,982.82

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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.