Home / 827,394.80-1,241,092.20-512,466.80

Finding the Fourth Proportional to 827,394.80, 1,241,092.20 and 512,466.80

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Solution

The fourth proportional to 827,394.80, 1,241,092.20 and 512,466.80 is: 768,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,394.80 : 1,241,092.20 = 512,466.80 : x
  2. Step 2: Convert to fraction form
    827,394.80/1,241,092.20 = 512,466.80/x
  3. Step 3: Cross multiply
    827,394.80x = 1,241,092.20 × 512,466.80
  4. Step 4: Simplify right side
    827,394.80x = 636,018,548,238.96
  5. Step 5: Solve for x
    x = 636,018,548,238.96/827,394.80
  6. Step 6: Final answer
    x = 768,700.20

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Double scale
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Similar ratio
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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.