Home / 403,766.82-557,195.45-222,474.56

Finding the Fourth Proportional to 403,766.82, 557,195.45 and 222,474.56

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Solution

The fourth proportional to 403,766.82, 557,195.45 and 222,474.56 is: 307,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,766.82 : 557,195.45 = 222,474.56 : x
  2. Step 2: Convert to fraction form
    403,766.82/557,195.45 = 222,474.56/x
  3. Step 3: Cross multiply
    403,766.82x = 557,195.45 × 222,474.56
  4. Step 4: Simplify right side
    403,766.82x = 123,961,808,674.40
  5. Step 5: Solve for x
    x = 123,961,808,674.40/403,766.82
  6. Step 6: Final answer
    x = 307,013.36

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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.