Home / 826,114.80-1,239,099.30-227,022.60

Finding the Fourth Proportional to 826,114.80, 1,239,099.30 and 227,022.60

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Solution

The fourth proportional to 826,114.80, 1,239,099.30 and 227,022.60 is: 340,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,114.80 : 1,239,099.30 = 227,022.60 : x
  2. Step 2: Convert to fraction form
    826,114.80/1,239,099.30 = 227,022.60/x
  3. Step 3: Cross multiply
    826,114.80x = 1,239,099.30 × 227,022.60
  4. Step 4: Simplify right side
    826,114.80x = 281,303,544,744.18
  5. Step 5: Solve for x
    x = 281,303,544,744.18/826,114.80
  6. Step 6: Final answer
    x = 340,513.87

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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.