Home / 406,944.68-609,629.82-228,910.76

Finding the Fourth Proportional to 406,944.68, 609,629.82 and 228,910.76

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Solution

The fourth proportional to 406,944.68, 609,629.82 and 228,910.76 is: 342,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,944.68 : 609,629.82 = 228,910.76 : x
  2. Step 2: Convert to fraction form
    406,944.68/609,629.82 = 228,910.76/x
  3. Step 3: Cross multiply
    406,944.68x = 609,629.82 × 228,910.76
  4. Step 4: Simplify right side
    406,944.68x = 139,550,825,414.86
  5. Step 5: Solve for x
    x = 139,550,825,414.86/406,944.68
  6. Step 6: Final answer
    x = 342,923.33

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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.