Home / 398,183.82-597,467.25-248,385.66

Finding the Fourth Proportional to 398,183.82, 597,467.25 and 248,385.66

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Solution

The fourth proportional to 398,183.82, 597,467.25 and 248,385.66 is: 372,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,183.82 : 597,467.25 = 248,385.66 : x
  2. Step 2: Convert to fraction form
    398,183.82/597,467.25 = 248,385.66/x
  3. Step 3: Cross multiply
    398,183.82x = 597,467.25 × 248,385.66
  4. Step 4: Simplify right side
    398,183.82x = 148,402,297,219.64
  5. Step 5: Solve for x
    x = 148,402,297,219.64/398,183.82
  6. Step 6: Final answer
    x = 372,697.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.