Home / 1,186,998.48-1,638,625.56-677,602.44

Finding the Fourth Proportional to 1,186,998.48, 1,638,625.56 and 677,602.44

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Solution

The fourth proportional to 1,186,998.48, 1,638,625.56 and 677,602.44 is: 935,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,998.48 : 1,638,625.56 = 677,602.44 : x
  2. Step 2: Convert to fraction form
    1,186,998.48/1,638,625.56 = 677,602.44/x
  3. Step 3: Cross multiply
    1,186,998.48x = 1,638,625.56 × 677,602.44
  4. Step 4: Simplify right side
    1,186,998.48x = 1,110,336,677,702.37
  5. Step 5: Solve for x
    x = 1,110,336,677,702.37/1,186,998.48
  6. Step 6: Final answer
    x = 935,415.42

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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.