Home / 1,995,679.80-2,993,519.70-858,986.55

Finding the Fourth Proportional to 1,995,679.80, 2,993,519.70 and 858,986.55

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Solution

The fourth proportional to 1,995,679.80, 2,993,519.70 and 858,986.55 is: 1,288,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,679.80 : 2,993,519.70 = 858,986.55 : x
  2. Step 2: Convert to fraction form
    1,995,679.80/2,993,519.70 = 858,986.55/x
  3. Step 3: Cross multiply
    1,995,679.80x = 2,993,519.70 × 858,986.55
  4. Step 4: Simplify right side
    1,995,679.80x = 2,571,393,159,460.04
  5. Step 5: Solve for x
    x = 2,571,393,159,460.04/1,995,679.80
  6. Step 6: Final answer
    x = 1,288,479.83

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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.