Home / 784,687.91-1,177,042.79-223,722.41

Finding the Fourth Proportional to 784,687.91, 1,177,042.79 and 223,722.41

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Solution

The fourth proportional to 784,687.91, 1,177,042.79 and 223,722.41 is: 335,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,687.91 : 1,177,042.79 = 223,722.41 : x
  2. Step 2: Convert to fraction form
    784,687.91/1,177,042.79 = 223,722.41/x
  3. Step 3: Cross multiply
    784,687.91x = 1,177,042.79 × 223,722.41
  4. Step 4: Simplify right side
    784,687.91x = 263,330,844,326.02
  5. Step 5: Solve for x
    x = 263,330,844,326.02/784,687.91
  6. Step 6: Final answer
    x = 335,586.73

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1.5x scale

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.