Home / 886,112.60-1,329,168.90-412,845.80

Finding the Fourth Proportional to 886,112.60, 1,329,168.90 and 412,845.80

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Solution

The fourth proportional to 886,112.60, 1,329,168.90 and 412,845.80 is: 619,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,112.60 : 1,329,168.90 = 412,845.80 : x
  2. Step 2: Convert to fraction form
    886,112.60/1,329,168.90 = 412,845.80/x
  3. Step 3: Cross multiply
    886,112.60x = 1,329,168.90 × 412,845.80
  4. Step 4: Simplify right side
    886,112.60x = 548,741,797,855.62
  5. Step 5: Solve for x
    x = 548,741,797,855.62/886,112.60
  6. Step 6: Final answer
    x = 619,268.70

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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.