Home / 543,539.13-815,453.30-188,552.58

Finding the Fourth Proportional to 543,539.13, 815,453.30 and 188,552.58

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Solution

The fourth proportional to 543,539.13, 815,453.30 and 188,552.58 is: 282,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,539.13 : 815,453.30 = 188,552.58 : x
  2. Step 2: Convert to fraction form
    543,539.13/815,453.30 = 188,552.58/x
  3. Step 3: Cross multiply
    543,539.13x = 815,453.30 × 188,552.58
  4. Step 4: Simplify right side
    543,539.13x = 153,755,823,584.51
  5. Step 5: Solve for x
    x = 153,755,823,584.51/543,539.13
  6. Step 6: Final answer
    x = 282,879.03

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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.