Home / 733,114.80-1,099,672.20-259,738.65

Finding the Fourth Proportional to 733,114.80, 1,099,672.20 and 259,738.65

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Solution

The fourth proportional to 733,114.80, 1,099,672.20 and 259,738.65 is: 389,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,114.80 : 1,099,672.20 = 259,738.65 : x
  2. Step 2: Convert to fraction form
    733,114.80/1,099,672.20 = 259,738.65/x
  3. Step 3: Cross multiply
    733,114.80x = 1,099,672.20 × 259,738.65
  4. Step 4: Simplify right side
    733,114.80x = 285,627,372,670.53
  5. Step 5: Solve for x
    x = 285,627,372,670.53/733,114.80
  6. Step 6: Final answer
    x = 389,607.98

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Double scale
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Similar ratio
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1.5x scale

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.