Home / 418,651.17-577,743.24-227,664.57

Finding the Fourth Proportional to 418,651.17, 577,743.24 and 227,664.57

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Solution

The fourth proportional to 418,651.17, 577,743.24 and 227,664.57 is: 314,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,651.17 : 577,743.24 = 227,664.57 : x
  2. Step 2: Convert to fraction form
    418,651.17/577,743.24 = 227,664.57/x
  3. Step 3: Cross multiply
    418,651.17x = 577,743.24 × 227,664.57
  4. Step 4: Simplify right side
    418,651.17x = 131,531,666,305.01
  5. Step 5: Solve for x
    x = 131,531,666,305.01/418,651.17
  6. Step 6: Final answer
    x = 314,179.62

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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.