Home / 1,274,324.40-1,912,154.85-516,246.21

Finding the Fourth Proportional to 1,274,324.40, 1,912,154.85 and 516,246.21

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Solution

The fourth proportional to 1,274,324.40, 1,912,154.85 and 516,246.21 is: 774,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,324.40 : 1,912,154.85 = 516,246.21 : x
  2. Step 2: Convert to fraction form
    1,274,324.40/1,912,154.85 = 516,246.21/x
  3. Step 3: Cross multiply
    1,274,324.40x = 1,912,154.85 × 516,246.21
  4. Step 4: Simplify right side
    1,274,324.40x = 987,142,694,245.62
  5. Step 5: Solve for x
    x = 987,142,694,245.62/1,274,324.40
  6. Step 6: Final answer
    x = 774,640.03

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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.