Home / 1,941,905.12-2,912,853.42-521,961.20

Finding the Fourth Proportional to 1,941,905.12, 2,912,853.42 and 521,961.20

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Solution

The fourth proportional to 1,941,905.12, 2,912,853.42 and 521,961.20 is: 782,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,905.12 : 2,912,853.42 = 521,961.20 : x
  2. Step 2: Convert to fraction form
    1,941,905.12/2,912,853.42 = 521,961.20/x
  3. Step 3: Cross multiply
    1,941,905.12x = 2,912,853.42 × 521,961.20
  4. Step 4: Simplify right side
    1,941,905.12x = 1,520,396,466,527.30
  5. Step 5: Solve for x
    x = 1,520,396,466,527.30/1,941,905.12
  6. Step 6: Final answer
    x = 782,940.65

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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.