Home / 591,079.44-815,721.12-336,512.64

Finding the Fourth Proportional to 591,079.44, 815,721.12 and 336,512.64

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Solution

The fourth proportional to 591,079.44, 815,721.12 and 336,512.64 is: 464,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,079.44 : 815,721.12 = 336,512.64 : x
  2. Step 2: Convert to fraction form
    591,079.44/815,721.12 = 336,512.64/x
  3. Step 3: Cross multiply
    591,079.44x = 815,721.12 × 336,512.64
  4. Step 4: Simplify right side
    591,079.44x = 274,500,467,594.96
  5. Step 5: Solve for x
    x = 274,500,467,594.96/591,079.44
  6. Step 6: Final answer
    x = 464,405.37

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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.