Home / 386,854.23-533,848.44-231,893.05

Finding the Fourth Proportional to 386,854.23, 533,848.44 and 231,893.05

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Solution

The fourth proportional to 386,854.23, 533,848.44 and 231,893.05 is: 320,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,854.23 : 533,848.44 = 231,893.05 : x
  2. Step 2: Convert to fraction form
    386,854.23/533,848.44 = 231,893.05/x
  3. Step 3: Cross multiply
    386,854.23x = 533,848.44 × 231,893.05
  4. Step 4: Simplify right side
    386,854.23x = 123,795,742,326.05
  5. Step 5: Solve for x
    x = 123,795,742,326.05/386,854.23
  6. Step 6: Final answer
    x = 320,006.18

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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.