Home / 847,441.92-1,271,160.96-216,355.20

Finding the Fourth Proportional to 847,441.92, 1,271,160.96 and 216,355.20

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Solution

The fourth proportional to 847,441.92, 1,271,160.96 and 216,355.20 is: 324,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,441.92 : 1,271,160.96 = 216,355.20 : x
  2. Step 2: Convert to fraction form
    847,441.92/1,271,160.96 = 216,355.20/x
  3. Step 3: Cross multiply
    847,441.92x = 1,271,160.96 × 216,355.20
  4. Step 4: Simplify right side
    847,441.92x = 275,022,283,732.99
  5. Step 5: Solve for x
    x = 275,022,283,732.99/847,441.92
  6. Step 6: Final answer
    x = 324,532.31

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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.