Home / 1,659,965.55-2,290,721.36-1,015,338.39

Finding the Fourth Proportional to 1,659,965.55, 2,290,721.36 and 1,015,338.39

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Solution

The fourth proportional to 1,659,965.55, 2,290,721.36 and 1,015,338.39 is: 1,401,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,965.55 : 2,290,721.36 = 1,015,338.39 : x
  2. Step 2: Convert to fraction form
    1,659,965.55/2,290,721.36 = 1,015,338.39/x
  3. Step 3: Cross multiply
    1,659,965.55x = 2,290,721.36 × 1,015,338.39
  4. Step 4: Simplify right side
    1,659,965.55x = 2,325,857,332,524.32
  5. Step 5: Solve for x
    x = 2,325,857,332,524.32/1,659,965.55
  6. Step 6: Final answer
    x = 1,401,147.95

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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.