Home / 399,024.30-550,665.76-226,967.09

Finding the Fourth Proportional to 399,024.30, 550,665.76 and 226,967.09

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Solution

The fourth proportional to 399,024.30, 550,665.76 and 226,967.09 is: 313,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,024.30 : 550,665.76 = 226,967.09 : x
  2. Step 2: Convert to fraction form
    399,024.30/550,665.76 = 226,967.09/x
  3. Step 3: Cross multiply
    399,024.30x = 550,665.76 × 226,967.09
  4. Step 4: Simplify right side
    399,024.30x = 124,983,002,805.89
  5. Step 5: Solve for x
    x = 124,983,002,805.89/399,024.30
  6. Step 6: Final answer
    x = 313,221.53

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1.5x scale

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.