Home / 619,844.54-929,701.17-199,087.61

Finding the Fourth Proportional to 619,844.54, 929,701.17 and 199,087.61

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Solution

The fourth proportional to 619,844.54, 929,701.17 and 199,087.61 is: 298,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,844.54 : 929,701.17 = 199,087.61 : x
  2. Step 2: Convert to fraction form
    619,844.54/929,701.17 = 199,087.61/x
  3. Step 3: Cross multiply
    619,844.54x = 929,701.17 × 199,087.61
  4. Step 4: Simplify right side
    619,844.54x = 185,091,979,301.00
  5. Step 5: Solve for x
    x = 185,091,979,301.00/619,844.54
  6. Step 6: Final answer
    x = 298,610.33

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1.5x scale

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.