Home / 409,921.20-565,605.24-248,861.04

Finding the Fourth Proportional to 409,921.20, 565,605.24 and 248,861.04

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Solution

The fourth proportional to 409,921.20, 565,605.24 and 248,861.04 is: 343,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,921.20 : 565,605.24 = 248,861.04 : x
  2. Step 2: Convert to fraction form
    409,921.20/565,605.24 = 248,861.04/x
  3. Step 3: Cross multiply
    409,921.20x = 565,605.24 × 248,861.04
  4. Step 4: Simplify right side
    409,921.20x = 140,757,108,255.85
  5. Step 5: Solve for x
    x = 140,757,108,255.85/409,921.20
  6. Step 6: Final answer
    x = 343,376.02

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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.