Home / 1,467,138.63-2,200,715.54-667,861.21

Finding the Fourth Proportional to 1,467,138.63, 2,200,715.54 and 667,861.21

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Solution

The fourth proportional to 1,467,138.63, 2,200,715.54 and 667,861.21 is: 1,001,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,138.63 : 2,200,715.54 = 667,861.21 : x
  2. Step 2: Convert to fraction form
    1,467,138.63/2,200,715.54 = 667,861.21/x
  3. Step 3: Cross multiply
    1,467,138.63x = 2,200,715.54 × 667,861.21
  4. Step 4: Simplify right side
    1,467,138.63x = 1,469,772,543,410.20
  5. Step 5: Solve for x
    x = 1,469,772,543,410.20/1,467,138.63
  6. Step 6: Final answer
    x = 1,001,795.27

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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.