Home / 1,198,684.36-1,798,042.13-399,965.90

Finding the Fourth Proportional to 1,198,684.36, 1,798,042.13 and 399,965.90

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Solution

The fourth proportional to 1,198,684.36, 1,798,042.13 and 399,965.90 is: 599,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,684.36 : 1,798,042.13 = 399,965.90 : x
  2. Step 2: Convert to fraction form
    1,198,684.36/1,798,042.13 = 399,965.90/x
  3. Step 3: Cross multiply
    1,198,684.36x = 1,798,042.13 × 399,965.90
  4. Step 4: Simplify right side
    1,198,684.36x = 719,155,543,506.20
  5. Step 5: Solve for x
    x = 719,155,543,506.20/1,198,684.36
  6. Step 6: Final answer
    x = 599,954.06

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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.