Home / 893,832.31-1,233,512.94-485,961.61

Finding the Fourth Proportional to 893,832.31, 1,233,512.94 and 485,961.61

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Solution

The fourth proportional to 893,832.31, 1,233,512.94 and 485,961.61 is: 670,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,832.31 : 1,233,512.94 = 485,961.61 : x
  2. Step 2: Convert to fraction form
    893,832.31/1,233,512.94 = 485,961.61/x
  3. Step 3: Cross multiply
    893,832.31x = 1,233,512.94 × 485,961.61
  4. Step 4: Simplify right side
    893,832.31x = 599,439,934,278.23
  5. Step 5: Solve for x
    x = 599,439,934,278.23/893,832.31
  6. Step 6: Final answer
    x = 670,640.26

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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.