Home / 654,344.24-981,515.88-211,112.24

Finding the Fourth Proportional to 654,344.24, 981,515.88 and 211,112.24

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Solution

The fourth proportional to 654,344.24, 981,515.88 and 211,112.24 is: 316,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,344.24 : 981,515.88 = 211,112.24 : x
  2. Step 2: Convert to fraction form
    654,344.24/981,515.88 = 211,112.24/x
  3. Step 3: Cross multiply
    654,344.24x = 981,515.88 × 211,112.24
  4. Step 4: Simplify right side
    654,344.24x = 207,210,016,022.37
  5. Step 5: Solve for x
    x = 207,210,016,022.37/654,344.24
  6. Step 6: Final answer
    x = 316,668.21

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Similar ratio
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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.