Home / 403,791.28-557,231.98-234,123.82

Finding the Fourth Proportional to 403,791.28, 557,231.98 and 234,123.82

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Solution

The fourth proportional to 403,791.28, 557,231.98 and 234,123.82 is: 323,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,791.28 : 557,231.98 = 234,123.82 : x
  2. Step 2: Convert to fraction form
    403,791.28/557,231.98 = 234,123.82/x
  3. Step 3: Cross multiply
    403,791.28x = 557,231.98 × 234,123.82
  4. Step 4: Simplify right side
    403,791.28x = 130,461,279,783.76
  5. Step 5: Solve for x
    x = 130,461,279,783.76/403,791.28
  6. Step 6: Final answer
    x = 323,090.88

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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.