Home / 578,348.24-798,112.30-320,200.44

Finding the Fourth Proportional to 578,348.24, 798,112.30 and 320,200.44

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Solution

The fourth proportional to 578,348.24, 798,112.30 and 320,200.44 is: 441,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,348.24 : 798,112.30 = 320,200.44 : x
  2. Step 2: Convert to fraction form
    578,348.24/798,112.30 = 320,200.44/x
  3. Step 3: Cross multiply
    578,348.24x = 798,112.30 × 320,200.44
  4. Step 4: Simplify right side
    578,348.24x = 255,555,909,629.41
  5. Step 5: Solve for x
    x = 255,555,909,629.41/578,348.24
  6. Step 6: Final answer
    x = 441,872.03

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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.