Home / 641,516.64-962,003.68-192,301.44

Finding the Fourth Proportional to 641,516.64, 962,003.68 and 192,301.44

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Solution

The fourth proportional to 641,516.64, 962,003.68 and 192,301.44 is: 288,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,516.64 : 962,003.68 = 192,301.44 : x
  2. Step 2: Convert to fraction form
    641,516.64/962,003.68 = 192,301.44/x
  3. Step 3: Cross multiply
    641,516.64x = 962,003.68 × 192,301.44
  4. Step 4: Simplify right side
    641,516.64x = 184,994,692,949.30
  5. Step 5: Solve for x
    x = 184,994,692,949.30/641,516.64
  6. Step 6: Final answer
    x = 288,370.84

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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.