Home / 403,844.33-557,308.96-222,562.89

Finding the Fourth Proportional to 403,844.33, 557,308.96 and 222,562.89

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Solution

The fourth proportional to 403,844.33, 557,308.96 and 222,562.89 is: 307,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,844.33 : 557,308.96 = 222,562.89 : x
  2. Step 2: Convert to fraction form
    403,844.33/557,308.96 = 222,562.89/x
  3. Step 3: Cross multiply
    403,844.33x = 557,308.96 × 222,562.89
  4. Step 4: Simplify right side
    403,844.33x = 124,036,292,204.09
  5. Step 5: Solve for x
    x = 124,036,292,204.09/403,844.33
  6. Step 6: Final answer
    x = 307,138.87

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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.