Home / 1,943,165.80-2,914,230.30-680,861.80

Finding the Fourth Proportional to 1,943,165.80, 2,914,230.30 and 680,861.80

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Solution

The fourth proportional to 1,943,165.80, 2,914,230.30 and 680,861.80 is: 1,021,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,165.80 : 2,914,230.30 = 680,861.80 : x
  2. Step 2: Convert to fraction form
    1,943,165.80/2,914,230.30 = 680,861.80/x
  3. Step 3: Cross multiply
    1,943,165.80x = 2,914,230.30 × 680,861.80
  4. Step 4: Simplify right side
    1,943,165.80x = 1,984,188,087,672.54
  5. Step 5: Solve for x
    x = 1,984,188,087,672.54/1,943,165.80
  6. Step 6: Final answer
    x = 1,021,111.06

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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.