Home / 501,215.72-751,962.31-231,426.41

Finding the Fourth Proportional to 501,215.72, 751,962.31 and 231,426.41

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Solution

The fourth proportional to 501,215.72, 751,962.31 and 231,426.41 is: 347,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,215.72 : 751,962.31 = 231,426.41 : x
  2. Step 2: Convert to fraction form
    501,215.72/751,962.31 = 231,426.41/x
  3. Step 3: Cross multiply
    501,215.72x = 751,962.31 × 231,426.41
  4. Step 4: Simplify right side
    501,215.72x = 174,023,933,520.23
  5. Step 5: Solve for x
    x = 174,023,933,520.23/501,215.72
  6. Step 6: Final answer
    x = 347,203.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.