Home / 377,725.41-521,264.21-205,644.56

Finding the Fourth Proportional to 377,725.41, 521,264.21 and 205,644.56

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Solution

The fourth proportional to 377,725.41, 521,264.21 and 205,644.56 is: 283,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,725.41 : 521,264.21 = 205,644.56 : x
  2. Step 2: Convert to fraction form
    377,725.41/521,264.21 = 205,644.56/x
  3. Step 3: Cross multiply
    377,725.41x = 521,264.21 × 205,644.56
  4. Step 4: Simplify right side
    377,725.41x = 107,195,145,474.65
  5. Step 5: Solve for x
    x = 107,195,145,474.65/377,725.41
  6. Step 6: Final answer
    x = 283,791.19

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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.