Home / 715,793.76-1,073,865.96-356,134.32

Finding the Fourth Proportional to 715,793.76, 1,073,865.96 and 356,134.32

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Solution

The fourth proportional to 715,793.76, 1,073,865.96 and 356,134.32 is: 534,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,793.76 : 1,073,865.96 = 356,134.32 : x
  2. Step 2: Convert to fraction form
    715,793.76/1,073,865.96 = 356,134.32/x
  3. Step 3: Cross multiply
    715,793.76x = 1,073,865.96 × 356,134.32
  4. Step 4: Simplify right side
    715,793.76x = 382,440,523,435.75
  5. Step 5: Solve for x
    x = 382,440,523,435.75/715,793.76
  6. Step 6: Final answer
    x = 534,288.71

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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.