Home / 641,949.93-963,084.80-192,679.11

Finding the Fourth Proportional to 641,949.93, 963,084.80 and 192,679.11

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Solution

The fourth proportional to 641,949.93, 963,084.80 and 192,679.11 is: 289,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,949.93 : 963,084.80 = 192,679.11 : x
  2. Step 2: Convert to fraction form
    641,949.93/963,084.80 = 192,679.11/x
  3. Step 3: Cross multiply
    641,949.93x = 963,084.80 × 192,679.11
  4. Step 4: Simplify right side
    641,949.93x = 185,566,317,303.10
  5. Step 5: Solve for x
    x = 185,566,317,303.10/641,949.93
  6. Step 6: Final answer
    x = 289,066.65

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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.