Home / 1,122,076.02-1,548,470.60-612,778.38

Finding the Fourth Proportional to 1,122,076.02, 1,548,470.60 and 612,778.38

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Solution

The fourth proportional to 1,122,076.02, 1,548,470.60 and 612,778.38 is: 845,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,076.02 : 1,548,470.60 = 612,778.38 : x
  2. Step 2: Convert to fraction form
    1,122,076.02/1,548,470.60 = 612,778.38/x
  3. Step 3: Cross multiply
    1,122,076.02x = 1,548,470.60 × 612,778.38
  4. Step 4: Simplify right side
    1,122,076.02x = 948,869,305,745.63
  5. Step 5: Solve for x
    x = 948,869,305,745.63/1,122,076.02
  6. Step 6: Final answer
    x = 845,637.27

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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.