Home / 558,388.41-765,556.89-548,299.28

Finding the Fourth Proportional to 558,388.41, 765,556.89 and 548,299.28

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Solution

The fourth proportional to 558,388.41, 765,556.89 and 548,299.28 is: 751,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,388.41 : 765,556.89 = 548,299.28 : x
  2. Step 2: Convert to fraction form
    558,388.41/765,556.89 = 548,299.28/x
  3. Step 3: Cross multiply
    558,388.41x = 765,556.89 × 548,299.28
  4. Step 4: Simplify right side
    558,388.41x = 419,754,291,763.83
  5. Step 5: Solve for x
    x = 419,754,291,763.83/558,388.41
  6. Step 6: Final answer
    x = 751,724.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.