Home / 705,240.88-1,057,828.48-172,733.72

Finding the Fourth Proportional to 705,240.88, 1,057,828.48 and 172,733.72

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Solution

The fourth proportional to 705,240.88, 1,057,828.48 and 172,733.72 is: 259,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,240.88 : 1,057,828.48 = 172,733.72 : x
  2. Step 2: Convert to fraction form
    705,240.88/1,057,828.48 = 172,733.72/x
  3. Step 3: Cross multiply
    705,240.88x = 1,057,828.48 × 172,733.72
  4. Step 4: Simplify right side
    705,240.88x = 182,722,642,751.37
  5. Step 5: Solve for x
    x = 182,722,642,751.37/705,240.88
  6. Step 6: Final answer
    x = 259,092.53

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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.