Home / 945,881.60-1,416,489.60-628,620.80

Finding the Fourth Proportional to 945,881.60, 1,416,489.60 and 628,620.80

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Solution

The fourth proportional to 945,881.60, 1,416,489.60 and 628,620.80 is: 941,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,881.60 : 1,416,489.60 = 628,620.80 : x
  2. Step 2: Convert to fraction form
    945,881.60/1,416,489.60 = 628,620.80/x
  3. Step 3: Cross multiply
    945,881.60x = 1,416,489.60 × 628,620.80
  4. Step 4: Simplify right side
    945,881.60x = 890,434,825,543.68
  5. Step 5: Solve for x
    x = 890,434,825,543.68/945,881.60
  6. Step 6: Final answer
    x = 941,380.85

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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.