Home / 641,971.14-962,954.34-192,690.06

Finding the Fourth Proportional to 641,971.14, 962,954.34 and 192,690.06

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Solution

The fourth proportional to 641,971.14, 962,954.34 and 192,690.06 is: 289,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,971.14 : 962,954.34 = 192,690.06 : x
  2. Step 2: Convert to fraction form
    641,971.14/962,954.34 = 192,690.06/x
  3. Step 3: Cross multiply
    641,971.14x = 962,954.34 × 192,690.06
  4. Step 4: Simplify right side
    641,971.14x = 185,551,729,551.86
  5. Step 5: Solve for x
    x = 185,551,729,551.86/641,971.14
  6. Step 6: Final answer
    x = 289,034.38

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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.