Home / 827,458.20-1,241,187.30-294,996.60

Finding the Fourth Proportional to 827,458.20, 1,241,187.30 and 294,996.60

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Solution

The fourth proportional to 827,458.20, 1,241,187.30 and 294,996.60 is: 442,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,458.20 : 1,241,187.30 = 294,996.60 : x
  2. Step 2: Convert to fraction form
    827,458.20/1,241,187.30 = 294,996.60/x
  3. Step 3: Cross multiply
    827,458.20x = 1,241,187.30 × 294,996.60
  4. Step 4: Simplify right side
    827,458.20x = 366,146,033,463.18
  5. Step 5: Solve for x
    x = 366,146,033,463.18/827,458.20
  6. Step 6: Final answer
    x = 442,494.90

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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.