Home / 809,136.96-1,207,552.96-719,458.64

Finding the Fourth Proportional to 809,136.96, 1,207,552.96 and 719,458.64

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Solution

The fourth proportional to 809,136.96, 1,207,552.96 and 719,458.64 is: 1,073,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,136.96 : 1,207,552.96 = 719,458.64 : x
  2. Step 2: Convert to fraction form
    809,136.96/1,207,552.96 = 719,458.64/x
  3. Step 3: Cross multiply
    809,136.96x = 1,207,552.96 × 719,458.64
  4. Step 4: Simplify right side
    809,136.96x = 868,784,410,329.57
  5. Step 5: Solve for x
    x = 868,784,410,329.57/809,136.96
  6. Step 6: Final answer
    x = 1,073,717.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.