Home / 534,844.85-800,458.94-520,451.75

Finding the Fourth Proportional to 534,844.85, 800,458.94 and 520,451.75

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Solution

The fourth proportional to 534,844.85, 800,458.94 and 520,451.75 is: 778,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,844.85 : 800,458.94 = 520,451.75 : x
  2. Step 2: Convert to fraction form
    534,844.85/800,458.94 = 520,451.75/x
  3. Step 3: Cross multiply
    534,844.85x = 800,458.94 × 520,451.75
  4. Step 4: Simplify right side
    534,844.85x = 416,600,259,428.42
  5. Step 5: Solve for x
    x = 416,600,259,428.42/534,844.85
  6. Step 6: Final answer
    x = 778,917.97

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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.