Home / 1,187,103.36-1,638,167.04-677,706.24

Finding the Fourth Proportional to 1,187,103.36, 1,638,167.04 and 677,706.24

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Solution

The fourth proportional to 1,187,103.36, 1,638,167.04 and 677,706.24 is: 935,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,103.36 : 1,638,167.04 = 677,706.24 : x
  2. Step 2: Convert to fraction form
    1,187,103.36/1,638,167.04 = 677,706.24/x
  3. Step 3: Cross multiply
    1,187,103.36x = 1,638,167.04 × 677,706.24
  4. Step 4: Simplify right side
    1,187,103.36x = 1,110,196,025,170.33
  5. Step 5: Solve for x
    x = 1,110,196,025,170.33/1,187,103.36
  6. Step 6: Final answer
    x = 935,214.29

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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.