Home / 654,344.07-981,516.18-205,064.88

Finding the Fourth Proportional to 654,344.07, 981,516.18 and 205,064.88

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Solution

The fourth proportional to 654,344.07, 981,516.18 and 205,064.88 is: 307,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,344.07 : 981,516.18 = 205,064.88 : x
  2. Step 2: Convert to fraction form
    654,344.07/981,516.18 = 205,064.88/x
  3. Step 3: Cross multiply
    654,344.07x = 981,516.18 × 205,064.88
  4. Step 4: Simplify right side
    654,344.07x = 201,274,497,669.76
  5. Step 5: Solve for x
    x = 201,274,497,669.76/654,344.07
  6. Step 6: Final answer
    x = 307,597.34

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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.