Home / 809,843.04-1,117,576.85-447,291.75

Finding the Fourth Proportional to 809,843.04, 1,117,576.85 and 447,291.75

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Solution

The fourth proportional to 809,843.04, 1,117,576.85 and 447,291.75 is: 617,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,843.04 : 1,117,576.85 = 447,291.75 : x
  2. Step 2: Convert to fraction form
    809,843.04/1,117,576.85 = 447,291.75/x
  3. Step 3: Cross multiply
    809,843.04x = 1,117,576.85 × 447,291.75
  4. Step 4: Simplify right side
    809,843.04x = 499,882,902,759.53
  5. Step 5: Solve for x
    x = 499,882,902,759.53/809,843.04
  6. Step 6: Final answer
    x = 617,259.00

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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.