Home / 677,427.20-1,016,141.25-172,026.08

Finding the Fourth Proportional to 677,427.20, 1,016,141.25 and 172,026.08

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Solution

The fourth proportional to 677,427.20, 1,016,141.25 and 172,026.08 is: 258,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,427.20 : 1,016,141.25 = 172,026.08 : x
  2. Step 2: Convert to fraction form
    677,427.20/1,016,141.25 = 172,026.08/x
  3. Step 3: Cross multiply
    677,427.20x = 1,016,141.25 × 172,026.08
  4. Step 4: Simplify right side
    677,427.20x = 174,802,795,338.72
  5. Step 5: Solve for x
    x = 174,802,795,338.72/677,427.20
  6. Step 6: Final answer
    x = 258,039.23

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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.