Home / 1,377,011.70-2,065,517.55-1,324,523.70

Finding the Fourth Proportional to 1,377,011.70, 2,065,517.55 and 1,324,523.70

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Solution

The fourth proportional to 1,377,011.70, 2,065,517.55 and 1,324,523.70 is: 1,986,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,011.70 : 2,065,517.55 = 1,324,523.70 : x
  2. Step 2: Convert to fraction form
    1,377,011.70/2,065,517.55 = 1,324,523.70/x
  3. Step 3: Cross multiply
    1,377,011.70x = 2,065,517.55 × 1,324,523.70
  4. Step 4: Simplify right side
    1,377,011.70x = 2,735,826,947,740.94
  5. Step 5: Solve for x
    x = 2,735,826,947,740.94/1,377,011.70
  6. Step 6: Final answer
    x = 1,986,785.55

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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.