Home / 1,280,823.44-1,917,249.35-806,512.34

Finding the Fourth Proportional to 1,280,823.44, 1,917,249.35 and 806,512.34

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Solution

The fourth proportional to 1,280,823.44, 1,917,249.35 and 806,512.34 is: 1,207,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,823.44 : 1,917,249.35 = 806,512.34 : x
  2. Step 2: Convert to fraction form
    1,280,823.44/1,917,249.35 = 806,512.34/x
  3. Step 3: Cross multiply
    1,280,823.44x = 1,917,249.35 × 806,512.34
  4. Step 4: Simplify right side
    1,280,823.44x = 1,546,285,260,392.54
  5. Step 5: Solve for x
    x = 1,546,285,260,392.54/1,280,823.44
  6. Step 6: Final answer
    x = 1,207,258.72

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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.