Home / 398,544.68-597,926.38-198,623.72

Finding the Fourth Proportional to 398,544.68, 597,926.38 and 198,623.72

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Solution

The fourth proportional to 398,544.68, 597,926.38 and 198,623.72 is: 297,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,544.68 : 597,926.38 = 198,623.72 : x
  2. Step 2: Convert to fraction form
    398,544.68/597,926.38 = 198,623.72/x
  3. Step 3: Cross multiply
    398,544.68x = 597,926.38 × 198,623.72
  4. Step 4: Simplify right side
    398,544.68x = 118,762,361,881.73
  5. Step 5: Solve for x
    x = 118,762,361,881.73/398,544.68
  6. Step 6: Final answer
    x = 297,990.08

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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.