Home / 1,204,213.16-1,661,995.86-768,816.56

Finding the Fourth Proportional to 1,204,213.16, 1,661,995.86 and 768,816.56

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Solution

The fourth proportional to 1,204,213.16, 1,661,995.86 and 768,816.56 is: 1,061,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,213.16 : 1,661,995.86 = 768,816.56 : x
  2. Step 2: Convert to fraction form
    1,204,213.16/1,661,995.86 = 768,816.56/x
  3. Step 3: Cross multiply
    1,204,213.16x = 1,661,995.86 × 768,816.56
  4. Step 4: Simplify right side
    1,204,213.16x = 1,277,769,939,819.44
  5. Step 5: Solve for x
    x = 1,277,769,939,819.44/1,204,213.16
  6. Step 6: Final answer
    x = 1,061,082.86

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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.