Home / 452,022.20-678,033.30-115,062.20

Finding the Fourth Proportional to 452,022.20, 678,033.30 and 115,062.20

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Solution

The fourth proportional to 452,022.20, 678,033.30 and 115,062.20 is: 172,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,022.20 : 678,033.30 = 115,062.20 : x
  2. Step 2: Convert to fraction form
    452,022.20/678,033.30 = 115,062.20/x
  3. Step 3: Cross multiply
    452,022.20x = 678,033.30 × 115,062.20
  4. Step 4: Simplify right side
    452,022.20x = 78,016,003,171.26
  5. Step 5: Solve for x
    x = 78,016,003,171.26/452,022.20
  6. Step 6: Final answer
    x = 172,593.30

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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.