Home / 1,226,233.20-1,838,382.12-516,370.80

Finding the Fourth Proportional to 1,226,233.20, 1,838,382.12 and 516,370.80

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Solution

The fourth proportional to 1,226,233.20, 1,838,382.12 and 516,370.80 is: 774,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,233.20 : 1,838,382.12 = 516,370.80 : x
  2. Step 2: Convert to fraction form
    1,226,233.20/1,838,382.12 = 516,370.80/x
  3. Step 3: Cross multiply
    1,226,233.20x = 1,838,382.12 × 516,370.80
  4. Step 4: Simplify right side
    1,226,233.20x = 949,286,846,010.10
  5. Step 5: Solve for x
    x = 949,286,846,010.10/1,226,233.20
  6. Step 6: Final answer
    x = 774,148.71

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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.