Home / 1,280,997.59-1,767,745.88-700,194.65

Finding the Fourth Proportional to 1,280,997.59, 1,767,745.88 and 700,194.65

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Solution

The fourth proportional to 1,280,997.59, 1,767,745.88 and 700,194.65 is: 966,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,997.59 : 1,767,745.88 = 700,194.65 : x
  2. Step 2: Convert to fraction form
    1,280,997.59/1,767,745.88 = 700,194.65/x
  3. Step 3: Cross multiply
    1,280,997.59x = 1,767,745.88 × 700,194.65
  4. Step 4: Simplify right side
    1,280,997.59x = 1,237,766,208,653.93
  5. Step 5: Solve for x
    x = 1,237,766,208,653.93/1,280,997.59
  6. Step 6: Final answer
    x = 966,251.78

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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.