Home / 823,704.20-1,233,482.70-541,694.60

Finding the Fourth Proportional to 823,704.20, 1,233,482.70 and 541,694.60

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Solution

The fourth proportional to 823,704.20, 1,233,482.70 and 541,694.60 is: 811,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,704.20 : 1,233,482.70 = 541,694.60 : x
  2. Step 2: Convert to fraction form
    823,704.20/1,233,482.70 = 541,694.60/x
  3. Step 3: Cross multiply
    823,704.20x = 1,233,482.70 × 541,694.60
  4. Step 4: Simplify right side
    823,704.20x = 668,170,917,783.42
  5. Step 5: Solve for x
    x = 668,170,917,783.42/823,704.20
  6. Step 6: Final answer
    x = 811,178.23

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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.