Home / 831,696.44-1,247,067.12-325,664.94

Finding the Fourth Proportional to 831,696.44, 1,247,067.12 and 325,664.94

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Solution

The fourth proportional to 831,696.44, 1,247,067.12 and 325,664.94 is: 488,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,696.44 : 1,247,067.12 = 325,664.94 : x
  2. Step 2: Convert to fraction form
    831,696.44/1,247,067.12 = 325,664.94/x
  3. Step 3: Cross multiply
    831,696.44x = 1,247,067.12 × 325,664.94
  4. Step 4: Simplify right side
    831,696.44x = 406,126,038,810.77
  5. Step 5: Solve for x
    x = 406,126,038,810.77/831,696.44
  6. Step 6: Final answer
    x = 488,310.42

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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.