Home / 408,080.80-563,140.26-226,788.16

Finding the Fourth Proportional to 408,080.80, 563,140.26 and 226,788.16

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Solution

The fourth proportional to 408,080.80, 563,140.26 and 226,788.16 is: 312,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,080.80 : 563,140.26 = 226,788.16 : x
  2. Step 2: Convert to fraction form
    408,080.80/563,140.26 = 226,788.16/x
  3. Step 3: Cross multiply
    408,080.80x = 563,140.26 × 226,788.16
  4. Step 4: Simplify right side
    408,080.80x = 127,713,543,387.32
  5. Step 5: Solve for x
    x = 127,713,543,387.32/408,080.80
  6. Step 6: Final answer
    x = 312,961.41

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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.