Home / 677,434.07-1,016,151.57-172,032.95

Finding the Fourth Proportional to 677,434.07, 1,016,151.57 and 172,032.95

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Solution

The fourth proportional to 677,434.07, 1,016,151.57 and 172,032.95 is: 258,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,434.07 : 1,016,151.57 = 172,032.95 : x
  2. Step 2: Convert to fraction form
    677,434.07/1,016,151.57 = 172,032.95/x
  3. Step 3: Cross multiply
    677,434.07x = 1,016,151.57 × 172,032.95
  4. Step 4: Simplify right side
    677,434.07x = 174,811,552,234.23
  5. Step 5: Solve for x
    x = 174,811,552,234.23/677,434.07
  6. Step 6: Final answer
    x = 258,049.54

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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.