Home / 1,943,157.30-2,912,597.55-680,334.90

Finding the Fourth Proportional to 1,943,157.30, 2,912,597.55 and 680,334.90

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Solution

The fourth proportional to 1,943,157.30, 2,912,597.55 and 680,334.90 is: 1,019,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,157.30 : 2,912,597.55 = 680,334.90 : x
  2. Step 2: Convert to fraction form
    1,943,157.30/2,912,597.55 = 680,334.90/x
  3. Step 3: Cross multiply
    1,943,157.30x = 2,912,597.55 × 680,334.90
  4. Step 4: Simplify right side
    1,943,157.30x = 1,981,541,762,919.50
  5. Step 5: Solve for x
    x = 1,981,541,762,919.50/1,943,157.30
  6. Step 6: Final answer
    x = 1,019,753.66

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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.