Home / 1,694,296.80-2,338,149.54-919,936.92

Finding the Fourth Proportional to 1,694,296.80, 2,338,149.54 and 919,936.92

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Solution

The fourth proportional to 1,694,296.80, 2,338,149.54 and 919,936.92 is: 1,269,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,296.80 : 2,338,149.54 = 919,936.92 : x
  2. Step 2: Convert to fraction form
    1,694,296.80/2,338,149.54 = 919,936.92/x
  3. Step 3: Cross multiply
    1,694,296.80x = 2,338,149.54 × 919,936.92
  4. Step 4: Simplify right side
    1,694,296.80x = 2,150,950,086,327.02
  5. Step 5: Solve for x
    x = 2,150,950,086,327.02/1,694,296.80
  6. Step 6: Final answer
    x = 1,269,523.78

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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.