Home / 515,021.14-710,716.44-285,579.33

Finding the Fourth Proportional to 515,021.14, 710,716.44 and 285,579.33

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Solution

The fourth proportional to 515,021.14, 710,716.44 and 285,579.33 is: 394,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,021.14 : 710,716.44 = 285,579.33 : x
  2. Step 2: Convert to fraction form
    515,021.14/710,716.44 = 285,579.33/x
  3. Step 3: Cross multiply
    515,021.14x = 710,716.44 × 285,579.33
  4. Step 4: Simplify right side
    515,021.14x = 202,965,924,755.19
  5. Step 5: Solve for x
    x = 202,965,924,755.19/515,021.14
  6. Step 6: Final answer
    x = 394,092.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.