Home / 827,168.60-1,241,919.30-512,240.60

Finding the Fourth Proportional to 827,168.60, 1,241,919.30 and 512,240.60

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Solution

The fourth proportional to 827,168.60, 1,241,919.30 and 512,240.60 is: 769,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,168.60 : 1,241,919.30 = 512,240.60 : x
  2. Step 2: Convert to fraction form
    827,168.60/1,241,919.30 = 512,240.60/x
  3. Step 3: Cross multiply
    827,168.60x = 1,241,919.30 × 512,240.60
  4. Step 4: Simplify right side
    827,168.60x = 636,161,487,383.58
  5. Step 5: Solve for x
    x = 636,161,487,383.58/827,168.60
  6. Step 6: Final answer
    x = 769,083.22

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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.