Home / 1,208,467.73-1,667,652.21-664,603.55

Finding the Fourth Proportional to 1,208,467.73, 1,667,652.21 and 664,603.55

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Solution

The fourth proportional to 1,208,467.73, 1,667,652.21 and 664,603.55 is: 917,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,467.73 : 1,667,652.21 = 664,603.55 : x
  2. Step 2: Convert to fraction form
    1,208,467.73/1,667,652.21 = 664,603.55/x
  3. Step 3: Cross multiply
    1,208,467.73x = 1,667,652.21 × 664,603.55
  4. Step 4: Simplify right side
    1,208,467.73x = 1,108,327,570,593.08
  5. Step 5: Solve for x
    x = 1,108,327,570,593.08/1,208,467.73
  6. Step 6: Final answer
    x = 917,134.61

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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.