Home / 641,932.80-962,899.20-242,586.60

Finding the Fourth Proportional to 641,932.80, 962,899.20 and 242,586.60

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Solution

The fourth proportional to 641,932.80, 962,899.20 and 242,586.60 is: 363,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,932.80 : 962,899.20 = 242,586.60 : x
  2. Step 2: Convert to fraction form
    641,932.80/962,899.20 = 242,586.60/x
  3. Step 3: Cross multiply
    641,932.80x = 962,899.20 × 242,586.60
  4. Step 4: Simplify right side
    641,932.80x = 233,586,443,070.72
  5. Step 5: Solve for x
    x = 233,586,443,070.72/641,932.80
  6. Step 6: Final answer
    x = 363,879.90

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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.