Home / 408,379.23-563,577.03-224,625.57

Finding the Fourth Proportional to 408,379.23, 563,577.03 and 224,625.57

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Solution

The fourth proportional to 408,379.23, 563,577.03 and 224,625.57 is: 309,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,379.23 : 563,577.03 = 224,625.57 : x
  2. Step 2: Convert to fraction form
    408,379.23/563,577.03 = 224,625.57/x
  3. Step 3: Cross multiply
    408,379.23x = 563,577.03 × 224,625.57
  4. Step 4: Simplify right side
    408,379.23x = 126,593,811,602.66
  5. Step 5: Solve for x
    x = 126,593,811,602.66/408,379.23
  6. Step 6: Final answer
    x = 309,990.82

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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.