Home / 419,934.67-579,513.24-228,949.45

Finding the Fourth Proportional to 419,934.67, 579,513.24 and 228,949.45

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Solution

The fourth proportional to 419,934.67, 579,513.24 and 228,949.45 is: 315,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,934.67 : 579,513.24 = 228,949.45 : x
  2. Step 2: Convert to fraction form
    419,934.67/579,513.24 = 228,949.45/x
  3. Step 3: Cross multiply
    419,934.67x = 579,513.24 × 228,949.45
  4. Step 4: Simplify right side
    419,934.67x = 132,679,237,565.72
  5. Step 5: Solve for x
    x = 132,679,237,565.72/419,934.67
  6. Step 6: Final answer
    x = 315,952.09

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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.