Home / 814,360.23-1,221,540.36-441,112.23

Finding the Fourth Proportional to 814,360.23, 1,221,540.36 and 441,112.23

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Solution

The fourth proportional to 814,360.23, 1,221,540.36 and 441,112.23 is: 661,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,360.23 : 1,221,540.36 = 441,112.23 : x
  2. Step 2: Convert to fraction form
    814,360.23/1,221,540.36 = 441,112.23/x
  3. Step 3: Cross multiply
    814,360.23x = 1,221,540.36 × 441,112.23
  4. Step 4: Simplify right side
    814,360.23x = 538,836,392,234.60
  5. Step 5: Solve for x
    x = 538,836,392,234.60/814,360.23
  6. Step 6: Final answer
    x = 661,668.35

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Half scale
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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.