Home / 1,687,196.76-2,328,331.68-923,250.39

Finding the Fourth Proportional to 1,687,196.76, 2,328,331.68 and 923,250.39

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Solution

The fourth proportional to 1,687,196.76, 2,328,331.68 and 923,250.39 is: 1,274,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,196.76 : 2,328,331.68 = 923,250.39 : x
  2. Step 2: Convert to fraction form
    1,687,196.76/2,328,331.68 = 923,250.39/x
  3. Step 3: Cross multiply
    1,687,196.76x = 2,328,331.68 × 923,250.39
  4. Step 4: Simplify right side
    1,687,196.76x = 2,149,633,131,609.36
  5. Step 5: Solve for x
    x = 2,149,633,131,609.36/1,687,196.76
  6. Step 6: Final answer
    x = 1,274,085.62

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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.