Home / 641,903.28-962,865.80-242,733.12

Finding the Fourth Proportional to 641,903.28, 962,865.80 and 242,733.12

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Solution

The fourth proportional to 641,903.28, 962,865.80 and 242,733.12 is: 364,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,903.28 : 962,865.80 = 242,733.12 : x
  2. Step 2: Convert to fraction form
    641,903.28/962,865.80 = 242,733.12/x
  3. Step 3: Cross multiply
    641,903.28x = 962,865.80 × 242,733.12
  4. Step 4: Simplify right side
    641,903.28x = 233,719,419,775.30
  5. Step 5: Solve for x
    x = 233,719,419,775.30/641,903.28
  6. Step 6: Final answer
    x = 364,103.79

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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.