Home / 456,174.72-629,495.55-252,213.75

Finding the Fourth Proportional to 456,174.72, 629,495.55 and 252,213.75

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Solution

The fourth proportional to 456,174.72, 629,495.55 and 252,213.75 is: 348,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,174.72 : 629,495.55 = 252,213.75 : x
  2. Step 2: Convert to fraction form
    456,174.72/629,495.55 = 252,213.75/x
  3. Step 3: Cross multiply
    456,174.72x = 629,495.55 × 252,213.75
  4. Step 4: Simplify right side
    456,174.72x = 158,767,433,273.81
  5. Step 5: Solve for x
    x = 158,767,433,273.81/456,174.72
  6. Step 6: Final answer
    x = 348,040.84

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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.