Home / 403,769.71-557,227.02-222,481.59

Finding the Fourth Proportional to 403,769.71, 557,227.02 and 222,481.59

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Solution

The fourth proportional to 403,769.71, 557,227.02 and 222,481.59 is: 307,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,769.71 : 557,227.02 = 222,481.59 : x
  2. Step 2: Convert to fraction form
    403,769.71/557,227.02 = 222,481.59/x
  3. Step 3: Cross multiply
    403,769.71x = 557,227.02 × 222,481.59
  4. Step 4: Simplify right side
    403,769.71x = 123,972,753,400.56
  5. Step 5: Solve for x
    x = 123,972,753,400.56/403,769.71
  6. Step 6: Final answer
    x = 307,038.27

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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.