Home / 800,506.92-1,105,028.24-542,736.96

Finding the Fourth Proportional to 800,506.92, 1,105,028.24 and 542,736.96

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Solution

The fourth proportional to 800,506.92, 1,105,028.24 and 542,736.96 is: 749,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,506.92 : 1,105,028.24 = 542,736.96 : x
  2. Step 2: Convert to fraction form
    800,506.92/1,105,028.24 = 542,736.96/x
  3. Step 3: Cross multiply
    800,506.92x = 1,105,028.24 × 542,736.96
  4. Step 4: Simplify right side
    800,506.92x = 599,739,667,691.75
  5. Step 5: Solve for x
    x = 599,739,667,691.75/800,506.92
  6. Step 6: Final answer
    x = 749,199.85

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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.