Home / 641,950.43-963,085.55-192,679.61

Finding the Fourth Proportional to 641,950.43, 963,085.55 and 192,679.61

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Solution

The fourth proportional to 641,950.43, 963,085.55 and 192,679.61 is: 289,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,950.43 : 963,085.55 = 192,679.61 : x
  2. Step 2: Convert to fraction form
    641,950.43/963,085.55 = 192,679.61/x
  3. Step 3: Cross multiply
    641,950.43x = 963,085.55 × 192,679.61
  4. Step 4: Simplify right side
    641,950.43x = 185,566,943,355.21
  5. Step 5: Solve for x
    x = 185,566,943,355.21/641,950.43
  6. Step 6: Final answer
    x = 289,067.40

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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.