Home / 403,637.26-557,063.17-222,367.76

Finding the Fourth Proportional to 403,637.26, 557,063.17 and 222,367.76

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Solution

The fourth proportional to 403,637.26, 557,063.17 and 222,367.76 is: 306,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,637.26 : 557,063.17 = 222,367.76 : x
  2. Step 2: Convert to fraction form
    403,637.26/557,063.17 = 222,367.76/x
  3. Step 3: Cross multiply
    403,637.26x = 557,063.17 × 222,367.76
  4. Step 4: Simplify right side
    403,637.26x = 123,872,888,735.48
  5. Step 5: Solve for x
    x = 123,872,888,735.48/403,637.26
  6. Step 6: Final answer
    x = 306,891.61

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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.