Home / 1,689,149.78-2,330,997.88-914,774.33

Finding the Fourth Proportional to 1,689,149.78, 2,330,997.88 and 914,774.33

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Solution

The fourth proportional to 1,689,149.78, 2,330,997.88 and 914,774.33 is: 1,262,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,149.78 : 2,330,997.88 = 914,774.33 : x
  2. Step 2: Convert to fraction form
    1,689,149.78/2,330,997.88 = 914,774.33/x
  3. Step 3: Cross multiply
    1,689,149.78x = 2,330,997.88 × 914,774.33
  4. Step 4: Simplify right side
    1,689,149.78x = 2,132,337,012,253.43
  5. Step 5: Solve for x
    x = 2,132,337,012,253.43/1,689,149.78
  6. Step 6: Final answer
    x = 1,262,372.97

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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.