Home / 1,187,093.36-1,638,153.24-677,696.24

Finding the Fourth Proportional to 1,187,093.36, 1,638,153.24 and 677,696.24

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Solution

The fourth proportional to 1,187,093.36, 1,638,153.24 and 677,696.24 is: 935,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,093.36 : 1,638,153.24 = 677,696.24 : x
  2. Step 2: Convert to fraction form
    1,187,093.36/1,638,153.24 = 677,696.24/x
  3. Step 3: Cross multiply
    1,187,093.36x = 1,638,153.24 × 677,696.24
  4. Step 4: Simplify right side
    1,187,093.36x = 1,110,170,291,291.82
  5. Step 5: Solve for x
    x = 1,110,170,291,291.82/1,187,093.36
  6. Step 6: Final answer
    x = 935,200.49

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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.