Home / 1,647,843.15-2,468,999.93-804,579.15

Finding the Fourth Proportional to 1,647,843.15, 2,468,999.93 and 804,579.15

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Solution

The fourth proportional to 1,647,843.15, 2,468,999.93 and 804,579.15 is: 1,205,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,843.15 : 2,468,999.93 = 804,579.15 : x
  2. Step 2: Convert to fraction form
    1,647,843.15/2,468,999.93 = 804,579.15/x
  3. Step 3: Cross multiply
    1,647,843.15x = 2,468,999.93 × 804,579.15
  4. Step 4: Simplify right side
    1,647,843.15x = 1,986,505,861,006.56
  5. Step 5: Solve for x
    x = 1,986,505,861,006.56/1,647,843.15
  6. Step 6: Final answer
    x = 1,205,518.78

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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.