Home / 397,474.80-595,823.40-197,631.60

Finding the Fourth Proportional to 397,474.80, 595,823.40 and 197,631.60

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Solution

The fourth proportional to 397,474.80, 595,823.40 and 197,631.60 is: 296,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,474.80 : 595,823.40 = 197,631.60 : x
  2. Step 2: Convert to fraction form
    397,474.80/595,823.40 = 197,631.60/x
  3. Step 3: Cross multiply
    397,474.80x = 595,823.40 × 197,631.60
  4. Step 4: Simplify right side
    397,474.80x = 117,753,531,859.44
  5. Step 5: Solve for x
    x = 117,753,531,859.44/397,474.80
  6. Step 6: Final answer
    x = 296,254.08

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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.