Home / 818,778.30-1,227,998.28-219,597

Finding the Fourth Proportional to 818,778.30, 1,227,998.28 and 219,597

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Solution

The fourth proportional to 818,778.30, 1,227,998.28 and 219,597 is: 329,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,778.30 : 1,227,998.28 = 219,597 : x
  2. Step 2: Convert to fraction form
    818,778.30/1,227,998.28 = 219,597/x
  3. Step 3: Cross multiply
    818,778.30x = 1,227,998.28 × 219,597
  4. Step 4: Simplify right side
    818,778.30x = 269,664,738,293.16
  5. Step 5: Solve for x
    x = 269,664,738,293.16/818,778.30
  6. Step 6: Final answer
    x = 329,350.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.