Home / 1,198,850.78-1,654,415.48-654,995.72

Finding the Fourth Proportional to 1,198,850.78, 1,654,415.48 and 654,995.72

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Solution

The fourth proportional to 1,198,850.78, 1,654,415.48 and 654,995.72 is: 903,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,850.78 : 1,654,415.48 = 654,995.72 : x
  2. Step 2: Convert to fraction form
    1,198,850.78/1,654,415.48 = 654,995.72/x
  3. Step 3: Cross multiply
    1,198,850.78x = 1,654,415.48 × 654,995.72
  4. Step 4: Simplify right side
    1,198,850.78x = 1,083,635,058,501.75
  5. Step 5: Solve for x
    x = 1,083,635,058,501.75/1,198,850.78
  6. Step 6: Final answer
    x = 903,894.86

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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.