Home / 403,839.90-557,296.47-222,553.26

Finding the Fourth Proportional to 403,839.90, 557,296.47 and 222,553.26

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Solution

The fourth proportional to 403,839.90, 557,296.47 and 222,553.26 is: 307,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,839.90 : 557,296.47 = 222,553.26 : x
  2. Step 2: Convert to fraction form
    403,839.90/557,296.47 = 222,553.26/x
  3. Step 3: Cross multiply
    403,839.90x = 557,296.47 × 222,553.26
  4. Step 4: Simplify right side
    403,839.90x = 124,028,146,184.99
  5. Step 5: Solve for x
    x = 124,028,146,184.99/403,839.90
  6. Step 6: Final answer
    x = 307,122.07

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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.