Home / 404,158.28-557,742.38-222,876.63

Finding the Fourth Proportional to 404,158.28, 557,742.38 and 222,876.63

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Solution

The fourth proportional to 404,158.28, 557,742.38 and 222,876.63 is: 307,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,158.28 : 557,742.38 = 222,876.63 : x
  2. Step 2: Convert to fraction form
    404,158.28/557,742.38 = 222,876.63/x
  3. Step 3: Cross multiply
    404,158.28x = 557,742.38 × 222,876.63
  4. Step 4: Simplify right side
    404,158.28x = 124,307,740,948.20
  5. Step 5: Solve for x
    x = 124,307,740,948.20/404,158.28
  6. Step 6: Final answer
    x = 307,571.93

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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.