Home / 784,940.80-1,177,422-223,975.12

Finding the Fourth Proportional to 784,940.80, 1,177,422 and 223,975.12

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Solution

The fourth proportional to 784,940.80, 1,177,422 and 223,975.12 is: 335,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,940.80 : 1,177,422 = 223,975.12 : x
  2. Step 2: Convert to fraction form
    784,940.80/1,177,422 = 223,975.12/x
  3. Step 3: Cross multiply
    784,940.80x = 1,177,422 × 223,975.12
  4. Step 4: Simplify right side
    784,940.80x = 263,713,233,740.64
  5. Step 5: Solve for x
    x = 263,713,233,740.64/784,940.80
  6. Step 6: Final answer
    x = 335,965.76

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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.