Home / 1,206,366.70-1,809,965.20-756,560.95

Finding the Fourth Proportional to 1,206,366.70, 1,809,965.20 and 756,560.95

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Solution

The fourth proportional to 1,206,366.70, 1,809,965.20 and 756,560.95 is: 1,135,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,366.70 : 1,809,965.20 = 756,560.95 : x
  2. Step 2: Convert to fraction form
    1,206,366.70/1,809,965.20 = 756,560.95/x
  3. Step 3: Cross multiply
    1,206,366.70x = 1,809,965.20 × 756,560.95
  4. Step 4: Simplify right side
    1,206,366.70x = 1,369,348,991,178.94
  5. Step 5: Solve for x
    x = 1,369,348,991,178.94/1,206,366.70
  6. Step 6: Final answer
    x = 1,135,101.78

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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.