Home / 641,941.80-962,548.20-242,595.60

Finding the Fourth Proportional to 641,941.80, 962,548.20 and 242,595.60

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Solution

The fourth proportional to 641,941.80, 962,548.20 and 242,595.60 is: 363,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,941.80 : 962,548.20 = 242,595.60 : x
  2. Step 2: Convert to fraction form
    641,941.80/962,548.20 = 242,595.60/x
  3. Step 3: Cross multiply
    641,941.80x = 962,548.20 × 242,595.60
  4. Step 4: Simplify right side
    641,941.80x = 233,509,958,107.92
  5. Step 5: Solve for x
    x = 233,509,958,107.92/641,941.80
  6. Step 6: Final answer
    x = 363,755.65

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Double scale
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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.