Home / 678,700.00-1,018,049.03-173,260.97

Finding the Fourth Proportional to 678,700.00, 1,018,049.03 and 173,260.97

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Solution

The fourth proportional to 678,700.00, 1,018,049.03 and 173,260.97 is: 259,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,700.00 : 1,018,049.03 = 173,260.97 : x
  2. Step 2: Convert to fraction form
    678,700.00/1,018,049.03 = 173,260.97/x
  3. Step 3: Cross multiply
    678,700.00x = 1,018,049.03 × 173,260.97
  4. Step 4: Simplify right side
    678,700.00x = 176,388,164,124.18
  5. Step 5: Solve for x
    x = 176,388,164,124.18/678,700.00
  6. Step 6: Final answer
    x = 259,891.21

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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.