Home / 403,922.88-557,437.92-222,634.56

Finding the Fourth Proportional to 403,922.88, 557,437.92 and 222,634.56

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Solution

The fourth proportional to 403,922.88, 557,437.92 and 222,634.56 is: 307,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,922.88 : 557,437.92 = 222,634.56 : x
  2. Step 2: Convert to fraction form
    403,922.88/557,437.92 = 222,634.56/x
  3. Step 3: Cross multiply
    403,922.88x = 557,437.92 × 222,634.56
  4. Step 4: Simplify right side
    403,922.88x = 124,104,946,046.52
  5. Step 5: Solve for x
    x = 124,104,946,046.52/403,922.88
  6. Step 6: Final answer
    x = 307,249.11

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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.