Home / 881,123.70-1,321,685.55-827,979.60

Finding the Fourth Proportional to 881,123.70, 1,321,685.55 and 827,979.60

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Solution

The fourth proportional to 881,123.70, 1,321,685.55 and 827,979.60 is: 1,241,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,123.70 : 1,321,685.55 = 827,979.60 : x
  2. Step 2: Convert to fraction form
    881,123.70/1,321,685.55 = 827,979.60/x
  3. Step 3: Cross multiply
    881,123.70x = 1,321,685.55 × 827,979.60
  4. Step 4: Simplify right side
    881,123.70x = 1,094,328,673,014.78
  5. Step 5: Solve for x
    x = 1,094,328,673,014.78/881,123.70
  6. Step 6: Final answer
    x = 1,241,969.40

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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.