Home / 403,789.86-557,191.94-238,192.02

Finding the Fourth Proportional to 403,789.86, 557,191.94 and 238,192.02

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Solution

The fourth proportional to 403,789.86, 557,191.94 and 238,192.02 is: 328,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,789.86 : 557,191.94 = 238,192.02 : x
  2. Step 2: Convert to fraction form
    403,789.86/557,191.94 = 238,192.02/x
  3. Step 3: Cross multiply
    403,789.86x = 557,191.94 × 238,192.02
  4. Step 4: Simplify right side
    403,789.86x = 132,718,671,628.17
  5. Step 5: Solve for x
    x = 132,718,671,628.17/403,789.86
  6. Step 6: Final answer
    x = 328,682.53

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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.