Home / 809,808.82-1,117,544.60-447,241.89

Finding the Fourth Proportional to 809,808.82, 1,117,544.60 and 447,241.89

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Solution

The fourth proportional to 809,808.82, 1,117,544.60 and 447,241.89 is: 617,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,808.82 : 1,117,544.60 = 447,241.89 : x
  2. Step 2: Convert to fraction form
    809,808.82/1,117,544.60 = 447,241.89/x
  3. Step 3: Cross multiply
    809,808.82x = 1,117,544.60 × 447,241.89
  4. Step 4: Simplify right side
    809,808.82x = 499,812,759,063.29
  5. Step 5: Solve for x
    x = 499,812,759,063.29/809,808.82
  6. Step 6: Final answer
    x = 617,198.46

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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.