Home / 1,254,778.26-1,731,604.94-681,818.43

Finding the Fourth Proportional to 1,254,778.26, 1,731,604.94 and 681,818.43

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Solution

The fourth proportional to 1,254,778.26, 1,731,604.94 and 681,818.43 is: 940,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,778.26 : 1,731,604.94 = 681,818.43 : x
  2. Step 2: Convert to fraction form
    1,254,778.26/1,731,604.94 = 681,818.43/x
  3. Step 3: Cross multiply
    1,254,778.26x = 1,731,604.94 × 681,818.43
  4. Step 4: Simplify right side
    1,254,778.26x = 1,180,640,158,161.95
  5. Step 5: Solve for x
    x = 1,180,640,158,161.95/1,254,778.26
  6. Step 6: Final answer
    x = 940,915.38

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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.