Home / 814,351.48-1,221,527.22-441,103.48

Finding the Fourth Proportional to 814,351.48, 1,221,527.22 and 441,103.48

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Solution

The fourth proportional to 814,351.48, 1,221,527.22 and 441,103.48 is: 661,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,351.48 : 1,221,527.22 = 441,103.48 : x
  2. Step 2: Convert to fraction form
    814,351.48/1,221,527.22 = 441,103.48/x
  3. Step 3: Cross multiply
    814,351.48x = 1,221,527.22 × 441,103.48
  4. Step 4: Simplify right side
    814,351.48x = 538,819,907,656.73
  5. Step 5: Solve for x
    x = 538,819,907,656.73/814,351.48
  6. Step 6: Final answer
    x = 661,655.22

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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.