Home / 893,832.06-1,233,512.55-485,961.33

Finding the Fourth Proportional to 893,832.06, 1,233,512.55 and 485,961.33

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Solution

The fourth proportional to 893,832.06, 1,233,512.55 and 485,961.33 is: 670,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,832.06 : 1,233,512.55 = 485,961.33 : x
  2. Step 2: Convert to fraction form
    893,832.06/1,233,512.55 = 485,961.33/x
  3. Step 3: Cross multiply
    893,832.06x = 1,233,512.55 × 485,961.33
  4. Step 4: Simplify right side
    893,832.06x = 599,439,399,369.69
  5. Step 5: Solve for x
    x = 599,439,399,369.69/893,832.06
  6. Step 6: Final answer
    x = 670,639.85

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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.