Home / 945,904.60-1,416,524.10-628,643.80

Finding the Fourth Proportional to 945,904.60, 1,416,524.10 and 628,643.80

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Solution

The fourth proportional to 945,904.60, 1,416,524.10 and 628,643.80 is: 941,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,904.60 : 1,416,524.10 = 628,643.80 : x
  2. Step 2: Convert to fraction form
    945,904.60/1,416,524.10 = 628,643.80/x
  3. Step 3: Cross multiply
    945,904.60x = 1,416,524.10 × 628,643.80
  4. Step 4: Simplify right side
    945,904.60x = 890,489,093,015.58
  5. Step 5: Solve for x
    x = 890,489,093,015.58/945,904.60
  6. Step 6: Final answer
    x = 941,415.33

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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.