Home / 534,067.28-736,962.44-319,164.56

Finding the Fourth Proportional to 534,067.28, 736,962.44 and 319,164.56

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Solution

The fourth proportional to 534,067.28, 736,962.44 and 319,164.56 is: 440,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,067.28 : 736,962.44 = 319,164.56 : x
  2. Step 2: Convert to fraction form
    534,067.28/736,962.44 = 319,164.56/x
  3. Step 3: Cross multiply
    534,067.28x = 736,962.44 × 319,164.56
  4. Step 4: Simplify right side
    534,067.28x = 235,212,292,899.13
  5. Step 5: Solve for x
    x = 235,212,292,899.13/534,067.28
  6. Step 6: Final answer
    x = 440,416.97

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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.