Home / 456,190.45-629,531.60-252,235.96

Finding the Fourth Proportional to 456,190.45, 629,531.60 and 252,235.96

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Solution

The fourth proportional to 456,190.45, 629,531.60 and 252,235.96 is: 348,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,190.45 : 629,531.60 = 252,235.96 : x
  2. Step 2: Convert to fraction form
    456,190.45/629,531.60 = 252,235.96/x
  3. Step 3: Cross multiply
    456,190.45x = 629,531.60 × 252,235.96
  4. Step 4: Simplify right side
    456,190.45x = 158,790,507,476.34
  5. Step 5: Solve for x
    x = 158,790,507,476.34/456,190.45
  6. Step 6: Final answer
    x = 348,079.42

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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.