Home / 809,114.58-1,213,869.42-269,369.82

Finding the Fourth Proportional to 809,114.58, 1,213,869.42 and 269,369.82

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Solution

The fourth proportional to 809,114.58, 1,213,869.42 and 269,369.82 is: 404,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,114.58 : 1,213,869.42 = 269,369.82 : x
  2. Step 2: Convert to fraction form
    809,114.58/1,213,869.42 = 269,369.82/x
  3. Step 3: Cross multiply
    809,114.58x = 1,213,869.42 × 269,369.82
  4. Step 4: Simplify right side
    809,114.58x = 326,979,787,168.90
  5. Step 5: Solve for x
    x = 326,979,787,168.90/809,114.58
  6. Step 6: Final answer
    x = 404,120.50

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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.