Home / 441,916.20-663,104.70-192,623.40

Finding the Fourth Proportional to 441,916.20, 663,104.70 and 192,623.40

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Solution

The fourth proportional to 441,916.20, 663,104.70 and 192,623.40 is: 289,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,916.20 : 663,104.70 = 192,623.40 : x
  2. Step 2: Convert to fraction form
    441,916.20/663,104.70 = 192,623.40/x
  3. Step 3: Cross multiply
    441,916.20x = 663,104.70 × 192,623.40
  4. Step 4: Simplify right side
    441,916.20x = 127,729,481,869.98
  5. Step 5: Solve for x
    x = 127,729,481,869.98/441,916.20
  6. Step 6: Final answer
    x = 289,035.53

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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.