Home / 1,943,604.28-2,915,432.34-681,468.76

Finding the Fourth Proportional to 1,943,604.28, 2,915,432.34 and 681,468.76

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Solution

The fourth proportional to 1,943,604.28, 2,915,432.34 and 681,468.76 is: 1,022,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,604.28 : 2,915,432.34 = 681,468.76 : x
  2. Step 2: Convert to fraction form
    1,943,604.28/2,915,432.34 = 681,468.76/x
  3. Step 3: Cross multiply
    1,943,604.28x = 2,915,432.34 × 681,468.76
  4. Step 4: Simplify right side
    1,943,604.28x = 1,986,776,061,603.70
  5. Step 5: Solve for x
    x = 1,986,776,061,603.70/1,943,604.28
  6. Step 6: Final answer
    x = 1,022,212.23

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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.