Home / 809,592.16-1,117,231.92-447,039.04

Finding the Fourth Proportional to 809,592.16, 1,117,231.92 and 447,039.04

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Solution

The fourth proportional to 809,592.16, 1,117,231.92 and 447,039.04 is: 616,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,592.16 : 1,117,231.92 = 447,039.04 : x
  2. Step 2: Convert to fraction form
    809,592.16/1,117,231.92 = 447,039.04/x
  3. Step 3: Cross multiply
    809,592.16x = 1,117,231.92 × 447,039.04
  4. Step 4: Simplify right side
    809,592.16x = 499,446,284,974.16
  5. Step 5: Solve for x
    x = 499,446,284,974.16/809,592.16
  6. Step 6: Final answer
    x = 616,910.97

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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.