Home / 327,623.70-452,260.20-220,256

Finding the Fourth Proportional to 327,623.70, 452,260.20 and 220,256

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Solution

The fourth proportional to 327,623.70, 452,260.20 and 220,256 is: 304,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,623.70 : 452,260.20 = 220,256 : x
  2. Step 2: Convert to fraction form
    327,623.70/452,260.20 = 220,256/x
  3. Step 3: Cross multiply
    327,623.70x = 452,260.20 × 220,256
  4. Step 4: Simplify right side
    327,623.70x = 99,613,022,611.20
  5. Step 5: Solve for x
    x = 99,613,022,611.20/327,623.70
  6. Step 6: Final answer
    x = 304,047.06

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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.