Home / 408,005.29-563,039.83-226,713.92

Finding the Fourth Proportional to 408,005.29, 563,039.83 and 226,713.92

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Solution

The fourth proportional to 408,005.29, 563,039.83 and 226,713.92 is: 312,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,005.29 : 563,039.83 = 226,713.92 : x
  2. Step 2: Convert to fraction form
    408,005.29/563,039.83 = 226,713.92/x
  3. Step 3: Cross multiply
    408,005.29x = 563,039.83 × 226,713.92
  4. Step 4: Simplify right side
    408,005.29x = 127,648,966,975.43
  5. Step 5: Solve for x
    x = 127,648,966,975.43/408,005.29
  6. Step 6: Final answer
    x = 312,861.06

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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.