Home / 1,863,540-2,795,372.19-515,589.84

Finding the Fourth Proportional to 1,863,540, 2,795,372.19 and 515,589.84

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Solution

The fourth proportional to 1,863,540, 2,795,372.19 and 515,589.84 is: 773,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,540 : 2,795,372.19 = 515,589.84 : x
  2. Step 2: Convert to fraction form
    1,863,540/2,795,372.19 = 515,589.84/x
  3. Step 3: Cross multiply
    1,863,540x = 2,795,372.19 × 515,589.84
  4. Step 4: Simplify right side
    1,863,540x = 1,441,265,500,182.55
  5. Step 5: Solve for x
    x = 1,441,265,500,182.55/1,863,540
  6. Step 6: Final answer
    x = 773,401.97

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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.