Home / 814,352.48-1,221,528.72-441,104.48

Finding the Fourth Proportional to 814,352.48, 1,221,528.72 and 441,104.48

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Solution

The fourth proportional to 814,352.48, 1,221,528.72 and 441,104.48 is: 661,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,352.48 : 1,221,528.72 = 441,104.48 : x
  2. Step 2: Convert to fraction form
    814,352.48/1,221,528.72 = 441,104.48/x
  3. Step 3: Cross multiply
    814,352.48x = 1,221,528.72 × 441,104.48
  4. Step 4: Simplify right side
    814,352.48x = 538,821,790,840.67
  5. Step 5: Solve for x
    x = 538,821,790,840.67/814,352.48
  6. Step 6: Final answer
    x = 661,656.72

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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.