Home / 792,062.40-1,185,469.20-729,076.80

Finding the Fourth Proportional to 792,062.40, 1,185,469.20 and 729,076.80

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Solution

The fourth proportional to 792,062.40, 1,185,469.20 and 729,076.80 is: 1,091,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,062.40 : 1,185,469.20 = 729,076.80 : x
  2. Step 2: Convert to fraction form
    792,062.40/1,185,469.20 = 729,076.80/x
  3. Step 3: Cross multiply
    792,062.40x = 1,185,469.20 × 729,076.80
  4. Step 4: Simplify right side
    792,062.40x = 864,298,090,834.56
  5. Step 5: Solve for x
    x = 864,298,090,834.56/792,062.40
  6. Step 6: Final answer
    x = 1,091,199.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.