Home / 809,416.60-1,214,124.90-741,182.20

Finding the Fourth Proportional to 809,416.60, 1,214,124.90 and 741,182.20

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Solution

The fourth proportional to 809,416.60, 1,214,124.90 and 741,182.20 is: 1,111,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,416.60 : 1,214,124.90 = 741,182.20 : x
  2. Step 2: Convert to fraction form
    809,416.60/1,214,124.90 = 741,182.20/x
  3. Step 3: Cross multiply
    809,416.60x = 1,214,124.90 × 741,182.20
  4. Step 4: Simplify right side
    809,416.60x = 899,887,764,456.78
  5. Step 5: Solve for x
    x = 899,887,764,456.78/809,416.60
  6. Step 6: Final answer
    x = 1,111,773.30

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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.