Home / 994,480.20-1,491,720.30-329,632.20

Finding the Fourth Proportional to 994,480.20, 1,491,720.30 and 329,632.20

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Solution

The fourth proportional to 994,480.20, 1,491,720.30 and 329,632.20 is: 494,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,480.20 : 1,491,720.30 = 329,632.20 : x
  2. Step 2: Convert to fraction form
    994,480.20/1,491,720.30 = 329,632.20/x
  3. Step 3: Cross multiply
    994,480.20x = 1,491,720.30 × 329,632.20
  4. Step 4: Simplify right side
    994,480.20x = 491,719,044,273.66
  5. Step 5: Solve for x
    x = 491,719,044,273.66/994,480.20
  6. Step 6: Final answer
    x = 494,448.30

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Half scale
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Double scale
Find fourth proportional to 994,481.20, 1,491,721.80 and 329,633.20
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.