Home / 578,171.14-867,251.85-451,917.58

Finding the Fourth Proportional to 578,171.14, 867,251.85 and 451,917.58

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Solution

The fourth proportional to 578,171.14, 867,251.85 and 451,917.58 is: 677,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,171.14 : 867,251.85 = 451,917.58 : x
  2. Step 2: Convert to fraction form
    578,171.14/867,251.85 = 451,917.58/x
  3. Step 3: Cross multiply
    578,171.14x = 867,251.85 × 451,917.58
  4. Step 4: Simplify right side
    578,171.14x = 391,926,355,042.94
  5. Step 5: Solve for x
    x = 391,926,355,042.94/578,171.14
  6. Step 6: Final answer
    x = 677,872.57

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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.