Home / 1,227,817.26-1,694,162.97-683,939.52

Finding the Fourth Proportional to 1,227,817.26, 1,694,162.97 and 683,939.52

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Solution

The fourth proportional to 1,227,817.26, 1,694,162.97 and 683,939.52 is: 943,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,817.26 : 1,694,162.97 = 683,939.52 : x
  2. Step 2: Convert to fraction form
    1,227,817.26/1,694,162.97 = 683,939.52/x
  3. Step 3: Cross multiply
    1,227,817.26x = 1,694,162.97 × 683,939.52
  4. Step 4: Simplify right side
    1,227,817.26x = 1,158,705,008,503.57
  5. Step 5: Solve for x
    x = 1,158,705,008,503.57/1,227,817.26
  6. Step 6: Final answer
    x = 943,711.29

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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.