Home / 1,254,778.62-1,731,605.44-681,818.77

Finding the Fourth Proportional to 1,254,778.62, 1,731,605.44 and 681,818.77

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Solution

The fourth proportional to 1,254,778.62, 1,731,605.44 and 681,818.77 is: 940,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,778.62 : 1,731,605.44 = 681,818.77 : x
  2. Step 2: Convert to fraction form
    1,254,778.62/1,731,605.44 = 681,818.77/x
  3. Step 3: Cross multiply
    1,254,778.62x = 1,731,605.44 × 681,818.77
  4. Step 4: Simplify right side
    1,254,778.62x = 1,180,641,091,226.11
  5. Step 5: Solve for x
    x = 1,180,641,091,226.11/1,254,778.62
  6. Step 6: Final answer
    x = 940,915.85

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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.