Home / 654,613.78-981,610.44-228,000.82

Finding the Fourth Proportional to 654,613.78, 981,610.44 and 228,000.82

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Solution

The fourth proportional to 654,613.78, 981,610.44 and 228,000.82 is: 341,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,613.78 : 981,610.44 = 228,000.82 : x
  2. Step 2: Convert to fraction form
    654,613.78/981,610.44 = 228,000.82/x
  3. Step 3: Cross multiply
    654,613.78x = 981,610.44 × 228,000.82
  4. Step 4: Simplify right side
    654,613.78x = 223,807,985,240.56
  5. Step 5: Solve for x
    x = 223,807,985,240.56/654,613.78
  6. Step 6: Final answer
    x = 341,893.18

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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.