Home / 441,940.20-663,140.70-192,647.40

Finding the Fourth Proportional to 441,940.20, 663,140.70 and 192,647.40

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Solution

The fourth proportional to 441,940.20, 663,140.70 and 192,647.40 is: 289,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,940.20 : 663,140.70 = 192,647.40 : x
  2. Step 2: Convert to fraction form
    441,940.20/663,140.70 = 192,647.40/x
  3. Step 3: Cross multiply
    441,940.20x = 663,140.70 × 192,647.40
  4. Step 4: Simplify right side
    441,940.20x = 127,752,331,689.18
  5. Step 5: Solve for x
    x = 127,752,331,689.18/441,940.20
  6. Step 6: Final answer
    x = 289,071.53

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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.