Home / 878,863.22-1,212,921.64-534,723.58

Finding the Fourth Proportional to 878,863.22, 1,212,921.64 and 534,723.58

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Solution

The fourth proportional to 878,863.22, 1,212,921.64 and 534,723.58 is: 737,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,863.22 : 1,212,921.64 = 534,723.58 : x
  2. Step 2: Convert to fraction form
    878,863.22/1,212,921.64 = 534,723.58/x
  3. Step 3: Cross multiply
    878,863.22x = 1,212,921.64 × 534,723.58
  4. Step 4: Simplify right side
    878,863.22x = 648,577,801,600.27
  5. Step 5: Solve for x
    x = 648,577,801,600.27/878,863.22
  6. Step 6: Final answer
    x = 737,973.54

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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.