Home / 699,660.57-1,049,565.78-194,223.66

Finding the Fourth Proportional to 699,660.57, 1,049,565.78 and 194,223.66

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Solution

The fourth proportional to 699,660.57, 1,049,565.78 and 194,223.66 is: 291,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,660.57 : 1,049,565.78 = 194,223.66 : x
  2. Step 2: Convert to fraction form
    699,660.57/1,049,565.78 = 194,223.66/x
  3. Step 3: Cross multiply
    699,660.57x = 1,049,565.78 × 194,223.66
  4. Step 4: Simplify right side
    699,660.57x = 203,850,507,202.36
  5. Step 5: Solve for x
    x = 203,850,507,202.36/699,660.57
  6. Step 6: Final answer
    x = 291,356.29

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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.