Home / 843,906.32-1,163,197.10-628,967.96

Finding the Fourth Proportional to 843,906.32, 1,163,197.10 and 628,967.96

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Solution

The fourth proportional to 843,906.32, 1,163,197.10 and 628,967.96 is: 866,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,906.32 : 1,163,197.10 = 628,967.96 : x
  2. Step 2: Convert to fraction form
    843,906.32/1,163,197.10 = 628,967.96/x
  3. Step 3: Cross multiply
    843,906.32x = 1,163,197.10 × 628,967.96
  4. Step 4: Simplify right side
    843,906.32x = 731,613,698,104.09
  5. Step 5: Solve for x
    x = 731,613,698,104.09/843,906.32
  6. Step 6: Final answer
    x = 866,937.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.