Home / 827,122.60-1,241,850.30-512,194.60

Finding the Fourth Proportional to 827,122.60, 1,241,850.30 and 512,194.60

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Solution

The fourth proportional to 827,122.60, 1,241,850.30 and 512,194.60 is: 769,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,122.60 : 1,241,850.30 = 512,194.60 : x
  2. Step 2: Convert to fraction form
    827,122.60/1,241,850.30 = 512,194.60/x
  3. Step 3: Cross multiply
    827,122.60x = 1,241,850.30 × 512,194.60
  4. Step 4: Simplify right side
    827,122.60x = 636,069,017,668.38
  5. Step 5: Solve for x
    x = 636,069,017,668.38/827,122.60
  6. Step 6: Final answer
    x = 769,014.19

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Double scale
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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.