Home / 500,796.20-691,096.35-274,441.70

Finding the Fourth Proportional to 500,796.20, 691,096.35 and 274,441.70

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Solution

The fourth proportional to 500,796.20, 691,096.35 and 274,441.70 is: 378,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,796.20 : 691,096.35 = 274,441.70 : x
  2. Step 2: Convert to fraction form
    500,796.20/691,096.35 = 274,441.70/x
  3. Step 3: Cross multiply
    500,796.20x = 691,096.35 × 274,441.70
  4. Step 4: Simplify right side
    500,796.20x = 189,665,659,914.69
  5. Step 5: Solve for x
    x = 189,665,659,914.69/500,796.20
  6. Step 6: Final answer
    x = 378,728.23

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1.5x scale

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.