Home / 994,951.20-1,492,639.29-321,070.80

Finding the Fourth Proportional to 994,951.20, 1,492,639.29 and 321,070.80

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Solution

The fourth proportional to 994,951.20, 1,492,639.29 and 321,070.80 is: 481,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,951.20 : 1,492,639.29 = 321,070.80 : x
  2. Step 2: Convert to fraction form
    994,951.20/1,492,639.29 = 321,070.80/x
  3. Step 3: Cross multiply
    994,951.20x = 1,492,639.29 × 321,070.80
  4. Step 4: Simplify right side
    994,951.20x = 479,242,890,951.73
  5. Step 5: Solve for x
    x = 479,242,890,951.73/994,951.20
  6. Step 6: Final answer
    x = 481,674.77

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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.