Home / 372,111.56-557,464.96-219,854.32

Finding the Fourth Proportional to 372,111.56, 557,464.96 and 219,854.32

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Solution

The fourth proportional to 372,111.56, 557,464.96 and 219,854.32 is: 329,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,111.56 : 557,464.96 = 219,854.32 : x
  2. Step 2: Convert to fraction form
    372,111.56/557,464.96 = 219,854.32/x
  3. Step 3: Cross multiply
    372,111.56x = 557,464.96 × 219,854.32
  4. Step 4: Simplify right side
    372,111.56x = 122,561,079,704.63
  5. Step 5: Solve for x
    x = 122,561,079,704.63/372,111.56
  6. Step 6: Final answer
    x = 329,366.49

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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.