Home / 821,330.10-1,231,995.15-582,181.65

Finding the Fourth Proportional to 821,330.10, 1,231,995.15 and 582,181.65

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Solution

The fourth proportional to 821,330.10, 1,231,995.15 and 582,181.65 is: 873,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,330.10 : 1,231,995.15 = 582,181.65 : x
  2. Step 2: Convert to fraction form
    821,330.10/1,231,995.15 = 582,181.65/x
  3. Step 3: Cross multiply
    821,330.10x = 1,231,995.15 × 582,181.65
  4. Step 4: Simplify right side
    821,330.10x = 717,244,969,219.00
  5. Step 5: Solve for x
    x = 717,244,969,219.00/821,330.10
  6. Step 6: Final answer
    x = 873,272.48

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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.