Home / 1,336,445.28-1,844,331.12-763,578.72

Finding the Fourth Proportional to 1,336,445.28, 1,844,331.12 and 763,578.72

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Solution

The fourth proportional to 1,336,445.28, 1,844,331.12 and 763,578.72 is: 1,053,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,445.28 : 1,844,331.12 = 763,578.72 : x
  2. Step 2: Convert to fraction form
    1,336,445.28/1,844,331.12 = 763,578.72/x
  3. Step 3: Cross multiply
    1,336,445.28x = 1,844,331.12 × 763,578.72
  4. Step 4: Simplify right side
    1,336,445.28x = 1,408,291,995,865.77
  5. Step 5: Solve for x
    x = 1,408,291,995,865.77/1,336,445.28
  6. Step 6: Final answer
    x = 1,053,759.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.