Home / 677,443.36-1,016,165.48-172,042.24

Finding the Fourth Proportional to 677,443.36, 1,016,165.48 and 172,042.24

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Solution

The fourth proportional to 677,443.36, 1,016,165.48 and 172,042.24 is: 258,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,443.36 : 1,016,165.48 = 172,042.24 : x
  2. Step 2: Convert to fraction form
    677,443.36/1,016,165.48 = 172,042.24/x
  3. Step 3: Cross multiply
    677,443.36x = 1,016,165.48 × 172,042.24
  4. Step 4: Simplify right side
    677,443.36x = 174,823,381,989.25
  5. Step 5: Solve for x
    x = 174,823,381,989.25/677,443.36
  6. Step 6: Final answer
    x = 258,063.47

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Double scale
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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.