Home / 1,202,550.65-1,659,434.77-686,183.55

Finding the Fourth Proportional to 1,202,550.65, 1,659,434.77 and 686,183.55

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Solution

The fourth proportional to 1,202,550.65, 1,659,434.77 and 686,183.55 is: 946,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,550.65 : 1,659,434.77 = 686,183.55 : x
  2. Step 2: Convert to fraction form
    1,202,550.65/1,659,434.77 = 686,183.55/x
  3. Step 3: Cross multiply
    1,202,550.65x = 1,659,434.77 × 686,183.55
  4. Step 4: Simplify right side
    1,202,550.65x = 1,138,676,847,371.09
  5. Step 5: Solve for x
    x = 1,138,676,847,371.09/1,202,550.65
  6. Step 6: Final answer
    x = 946,884.73

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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.