Home / 1,116,993.20-1,541,401.92-620,246.30

Finding the Fourth Proportional to 1,116,993.20, 1,541,401.92 and 620,246.30

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Solution

The fourth proportional to 1,116,993.20, 1,541,401.92 and 620,246.30 is: 855,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,993.20 : 1,541,401.92 = 620,246.30 : x
  2. Step 2: Convert to fraction form
    1,116,993.20/1,541,401.92 = 620,246.30/x
  3. Step 3: Cross multiply
    1,116,993.20x = 1,541,401.92 × 620,246.30
  4. Step 4: Simplify right side
    1,116,993.20x = 956,048,837,692.90
  5. Step 5: Solve for x
    x = 956,048,837,692.90/1,116,993.20
  6. Step 6: Final answer
    x = 855,912.85

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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.