Home / 704,786.97-1,057,171.01-172,312.59

Finding the Fourth Proportional to 704,786.97, 1,057,171.01 and 172,312.59

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Solution

The fourth proportional to 704,786.97, 1,057,171.01 and 172,312.59 is: 258,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,786.97 : 1,057,171.01 = 172,312.59 : x
  2. Step 2: Convert to fraction form
    704,786.97/1,057,171.01 = 172,312.59/x
  3. Step 3: Cross multiply
    704,786.97x = 1,057,171.01 × 172,312.59
  4. Step 4: Simplify right side
    704,786.97x = 182,163,873,944.45
  5. Step 5: Solve for x
    x = 182,163,873,944.45/704,786.97
  6. Step 6: Final answer
    x = 258,466.57

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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.