Home / 1,229,196.78-1,696,563.84-798,729.60

Finding the Fourth Proportional to 1,229,196.78, 1,696,563.84 and 798,729.60

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Solution

The fourth proportional to 1,229,196.78, 1,696,563.84 and 798,729.60 is: 1,102,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,196.78 : 1,696,563.84 = 798,729.60 : x
  2. Step 2: Convert to fraction form
    1,229,196.78/1,696,563.84 = 798,729.60/x
  3. Step 3: Cross multiply
    1,229,196.78x = 1,696,563.84 × 798,729.60
  4. Step 4: Simplify right side
    1,229,196.78x = 1,355,095,757,297.66
  5. Step 5: Solve for x
    x = 1,355,095,757,297.66/1,229,196.78
  6. Step 6: Final answer
    x = 1,102,423.78

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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.