Home / 377,818.20-521,257.23-214,455.24

Finding the Fourth Proportional to 377,818.20, 521,257.23 and 214,455.24

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Solution

The fourth proportional to 377,818.20, 521,257.23 and 214,455.24 is: 295,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,818.20 : 521,257.23 = 214,455.24 : x
  2. Step 2: Convert to fraction form
    377,818.20/521,257.23 = 214,455.24/x
  3. Step 3: Cross multiply
    377,818.20x = 521,257.23 × 214,455.24
  4. Step 4: Simplify right side
    377,818.20x = 111,786,344,361.39
  5. Step 5: Solve for x
    x = 111,786,344,361.39/377,818.20
  6. Step 6: Final answer
    x = 295,873.37

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1.5x scale

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.