Home / 1,078,591.13-1,617,888.53-863,815.85

Finding the Fourth Proportional to 1,078,591.13, 1,617,888.53 and 863,815.85

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Solution

The fourth proportional to 1,078,591.13, 1,617,888.53 and 863,815.85 is: 1,295,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,591.13 : 1,617,888.53 = 863,815.85 : x
  2. Step 2: Convert to fraction form
    1,078,591.13/1,617,888.53 = 863,815.85/x
  3. Step 3: Cross multiply
    1,078,591.13x = 1,617,888.53 × 863,815.85
  4. Step 4: Simplify right side
    1,078,591.13x = 1,397,557,743,338.68
  5. Step 5: Solve for x
    x = 1,397,557,743,338.68/1,078,591.13
  6. Step 6: Final answer
    x = 1,295,725.24

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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.