Home / 403,788.27-557,227.86-234,120.81

Finding the Fourth Proportional to 403,788.27, 557,227.86 and 234,120.81

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Solution

The fourth proportional to 403,788.27, 557,227.86 and 234,120.81 is: 323,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,788.27 : 557,227.86 = 234,120.81 : x
  2. Step 2: Convert to fraction form
    403,788.27/557,227.86 = 234,120.81/x
  3. Step 3: Cross multiply
    403,788.27x = 557,227.86 × 234,120.81
  4. Step 4: Simplify right side
    403,788.27x = 130,458,637,937.77
  5. Step 5: Solve for x
    x = 130,458,637,937.77/403,788.27
  6. Step 6: Final answer
    x = 323,086.75

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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.