Home / 654,338.24-981,506.88-211,106.24

Finding the Fourth Proportional to 654,338.24, 981,506.88 and 211,106.24

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Solution

The fourth proportional to 654,338.24, 981,506.88 and 211,106.24 is: 316,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,338.24 : 981,506.88 = 211,106.24 : x
  2. Step 2: Convert to fraction form
    654,338.24/981,506.88 = 211,106.24/x
  3. Step 3: Cross multiply
    654,338.24x = 981,506.88 × 211,106.24
  4. Step 4: Simplify right side
    654,338.24x = 207,202,226,970.93
  5. Step 5: Solve for x
    x = 207,202,226,970.93/654,338.24
  6. Step 6: Final answer
    x = 316,659.21

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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.