Home / 377,450.60-520,872.27-205,361.24

Finding the Fourth Proportional to 377,450.60, 520,872.27 and 205,361.24

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Solution

The fourth proportional to 377,450.60, 520,872.27 and 205,361.24 is: 283,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,450.60 : 520,872.27 = 205,361.24 : x
  2. Step 2: Convert to fraction form
    377,450.60/520,872.27 = 205,361.24/x
  3. Step 3: Cross multiply
    377,450.60x = 520,872.27 × 205,361.24
  4. Step 4: Simplify right side
    377,450.60x = 106,966,975,248.82
  5. Step 5: Solve for x
    x = 106,966,975,248.82/377,450.60
  6. Step 6: Final answer
    x = 283,393.31

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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.