Home / 412,680.12-619,198.37-223,273.95

Finding the Fourth Proportional to 412,680.12, 619,198.37 and 223,273.95

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Solution

The fourth proportional to 412,680.12, 619,198.37 and 223,273.95 is: 335,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,680.12 : 619,198.37 = 223,273.95 : x
  2. Step 2: Convert to fraction form
    412,680.12/619,198.37 = 223,273.95/x
  3. Step 3: Cross multiply
    412,680.12x = 619,198.37 × 223,273.95
  4. Step 4: Simplify right side
    412,680.12x = 138,250,865,903.46
  5. Step 5: Solve for x
    x = 138,250,865,903.46/412,680.12
  6. Step 6: Final answer
    x = 335,007.33

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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.