Home / 784,687.66-1,177,042.42-223,722.16

Finding the Fourth Proportional to 784,687.66, 1,177,042.42 and 223,722.16

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Solution

The fourth proportional to 784,687.66, 1,177,042.42 and 223,722.16 is: 335,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,687.66 : 1,177,042.42 = 223,722.16 : x
  2. Step 2: Convert to fraction form
    784,687.66/1,177,042.42 = 223,722.16/x
  3. Step 3: Cross multiply
    784,687.66x = 1,177,042.42 × 223,722.16
  4. Step 4: Simplify right side
    784,687.66x = 263,330,472,614.03
  5. Step 5: Solve for x
    x = 263,330,472,614.03/784,687.66
  6. Step 6: Final answer
    x = 335,586.36

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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.