Home / 342,787.62-473,539.73-273,786.42

Finding the Fourth Proportional to 342,787.62, 473,539.73 and 273,786.42

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Solution

The fourth proportional to 342,787.62, 473,539.73 and 273,786.42 is: 378,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,787.62 : 473,539.73 = 273,786.42 : x
  2. Step 2: Convert to fraction form
    342,787.62/473,539.73 = 273,786.42/x
  3. Step 3: Cross multiply
    342,787.62x = 473,539.73 × 273,786.42
  4. Step 4: Simplify right side
    342,787.62x = 129,648,746,035.53
  5. Step 5: Solve for x
    x = 129,648,746,035.53/342,787.62
  6. Step 6: Final answer
    x = 378,218.87

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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.