Home / 788,949.20-1,183,462.20-220,329.68

Finding the Fourth Proportional to 788,949.20, 1,183,462.20 and 220,329.68

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Solution

The fourth proportional to 788,949.20, 1,183,462.20 and 220,329.68 is: 330,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,949.20 : 1,183,462.20 = 220,329.68 : x
  2. Step 2: Convert to fraction form
    788,949.20/1,183,462.20 = 220,329.68/x
  3. Step 3: Cross multiply
    788,949.20x = 1,183,462.20 × 220,329.68
  4. Step 4: Simplify right side
    788,949.20x = 260,751,847,818.10
  5. Step 5: Solve for x
    x = 260,751,847,818.10/788,949.20
  6. Step 6: Final answer
    x = 330,505.24

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Double scale
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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.