Home / 419,950.34-579,514.77-247,923.71

Finding the Fourth Proportional to 419,950.34, 579,514.77 and 247,923.71

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Solution

The fourth proportional to 419,950.34, 579,514.77 and 247,923.71 is: 342,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,950.34 : 579,514.77 = 247,923.71 : x
  2. Step 2: Convert to fraction form
    419,950.34/579,514.77 = 247,923.71/x
  3. Step 3: Cross multiply
    419,950.34x = 579,514.77 × 247,923.71
  4. Step 4: Simplify right side
    419,950.34x = 143,675,451,778.20
  5. Step 5: Solve for x
    x = 143,675,451,778.20/419,950.34
  6. Step 6: Final answer
    x = 342,124.86

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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.