Home / 419,933.67-579,511.86-228,948.45

Finding the Fourth Proportional to 419,933.67, 579,511.86 and 228,948.45

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Solution

The fourth proportional to 419,933.67, 579,511.86 and 228,948.45 is: 315,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,933.67 : 579,511.86 = 228,948.45 : x
  2. Step 2: Convert to fraction form
    419,933.67/579,511.86 = 228,948.45/x
  3. Step 3: Cross multiply
    419,933.67x = 579,511.86 × 228,948.45
  4. Step 4: Simplify right side
    419,933.67x = 132,678,342,103.62
  5. Step 5: Solve for x
    x = 132,678,342,103.62/419,933.67
  6. Step 6: Final answer
    x = 315,950.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.