Home / 677,583.12-1,016,395.19-172,144.20

Finding the Fourth Proportional to 677,583.12, 1,016,395.19 and 172,144.20

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Solution

The fourth proportional to 677,583.12, 1,016,395.19 and 172,144.20 is: 258,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,583.12 : 1,016,395.19 = 172,144.20 : x
  2. Step 2: Convert to fraction form
    677,583.12/1,016,395.19 = 172,144.20/x
  3. Step 3: Cross multiply
    677,583.12x = 1,016,395.19 × 172,144.20
  4. Step 4: Simplify right side
    677,583.12x = 174,966,540,462.70
  5. Step 5: Solve for x
    x = 174,966,540,462.70/677,583.12
  6. Step 6: Final answer
    x = 258,221.51

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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.