Home / 784,032.56-1,175,908.55-207,659.78

Finding the Fourth Proportional to 784,032.56, 1,175,908.55 and 207,659.78

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Solution

The fourth proportional to 784,032.56, 1,175,908.55 and 207,659.78 is: 311,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,032.56 : 1,175,908.55 = 207,659.78 : x
  2. Step 2: Convert to fraction form
    784,032.56/1,175,908.55 = 207,659.78/x
  3. Step 3: Cross multiply
    784,032.56x = 1,175,908.55 × 207,659.78
  4. Step 4: Simplify right side
    784,032.56x = 244,188,910,793.12
  5. Step 5: Solve for x
    x = 244,188,910,793.12/784,032.56
  6. Step 6: Final answer
    x = 311,452.51

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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.