Home / 1,137,299.46-1,705,378.68-378,874.26

Finding the Fourth Proportional to 1,137,299.46, 1,705,378.68 and 378,874.26

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Solution

The fourth proportional to 1,137,299.46, 1,705,378.68 and 378,874.26 is: 568,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,299.46 : 1,705,378.68 = 378,874.26 : x
  2. Step 2: Convert to fraction form
    1,137,299.46/1,705,378.68 = 378,874.26/x
  3. Step 3: Cross multiply
    1,137,299.46x = 1,705,378.68 × 378,874.26
  4. Step 4: Simplify right side
    1,137,299.46x = 646,124,085,404.78
  5. Step 5: Solve for x
    x = 646,124,085,404.78/1,137,299.46
  6. Step 6: Final answer
    x = 568,121.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.