Home / 1,382,154.91-1,908,346.34-969,568.85

Finding the Fourth Proportional to 1,382,154.91, 1,908,346.34 and 969,568.85

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Solution

The fourth proportional to 1,382,154.91, 1,908,346.34 and 969,568.85 is: 1,338,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,154.91 : 1,908,346.34 = 969,568.85 : x
  2. Step 2: Convert to fraction form
    1,382,154.91/1,908,346.34 = 969,568.85/x
  3. Step 3: Cross multiply
    1,382,154.91x = 1,908,346.34 × 969,568.85
  4. Step 4: Simplify right side
    1,382,154.91x = 1,850,273,166,198.53
  5. Step 5: Solve for x
    x = 1,850,273,166,198.53/1,382,154.91
  6. Step 6: Final answer
    x = 1,338,687.26

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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.