Home / 809,691.92-1,117,383.72-447,115.04

Finding the Fourth Proportional to 809,691.92, 1,117,383.72 and 447,115.04

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Solution

The fourth proportional to 809,691.92, 1,117,383.72 and 447,115.04 is: 617,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,691.92 : 1,117,383.72 = 447,115.04 : x
  2. Step 2: Convert to fraction form
    809,691.92/1,117,383.72 = 447,115.04/x
  3. Step 3: Cross multiply
    809,691.92x = 1,117,383.72 × 447,115.04
  4. Step 4: Simplify right side
    809,691.92x = 499,599,066,663.15
  5. Step 5: Solve for x
    x = 499,599,066,663.15/809,691.92
  6. Step 6: Final answer
    x = 617,023.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.