Home / 809,517.38-1,116,095.56-663,786.23

Finding the Fourth Proportional to 809,517.38, 1,116,095.56 and 663,786.23

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Solution

The fourth proportional to 809,517.38, 1,116,095.56 and 663,786.23 is: 915,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,517.38 : 1,116,095.56 = 663,786.23 : x
  2. Step 2: Convert to fraction form
    809,517.38/1,116,095.56 = 663,786.23/x
  3. Step 3: Cross multiply
    809,517.38x = 1,116,095.56 × 663,786.23
  4. Step 4: Simplify right side
    809,517.38x = 740,848,856,852.20
  5. Step 5: Solve for x
    x = 740,848,856,852.20/809,517.38
  6. Step 6: Final answer
    x = 915,173.51

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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.