Home / 418,190.54-577,104.35-236,936.03

Finding the Fourth Proportional to 418,190.54, 577,104.35 and 236,936.03

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Solution

The fourth proportional to 418,190.54, 577,104.35 and 236,936.03 is: 326,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,190.54 : 577,104.35 = 236,936.03 : x
  2. Step 2: Convert to fraction form
    418,190.54/577,104.35 = 236,936.03/x
  3. Step 3: Cross multiply
    418,190.54x = 577,104.35 × 236,936.03
  4. Step 4: Simplify right side
    418,190.54x = 136,736,809,514.53
  5. Step 5: Solve for x
    x = 136,736,809,514.53/418,190.54
  6. Step 6: Final answer
    x = 326,972.51

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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.