Home / 641,524.50-962,286.75-198,292.50

Finding the Fourth Proportional to 641,524.50, 962,286.75 and 198,292.50

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Solution

The fourth proportional to 641,524.50, 962,286.75 and 198,292.50 is: 297,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,524.50 : 962,286.75 = 198,292.50 : x
  2. Step 2: Convert to fraction form
    641,524.50/962,286.75 = 198,292.50/x
  3. Step 3: Cross multiply
    641,524.50x = 962,286.75 × 198,292.50
  4. Step 4: Simplify right side
    641,524.50x = 190,814,245,374.38
  5. Step 5: Solve for x
    x = 190,814,245,374.38/641,524.50
  6. Step 6: Final answer
    x = 297,438.75

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Half scale
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Double scale
Find fourth proportional to 641,525.50, 962,288.25 and 198,293.50
Similar ratio
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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.