Home / 403,979.94-557,467.25-222,682.50

Finding the Fourth Proportional to 403,979.94, 557,467.25 and 222,682.50

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Solution

The fourth proportional to 403,979.94, 557,467.25 and 222,682.50 is: 307,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,979.94 : 557,467.25 = 222,682.50 : x
  2. Step 2: Convert to fraction form
    403,979.94/557,467.25 = 222,682.50/x
  3. Step 3: Cross multiply
    403,979.94x = 557,467.25 × 222,682.50
  4. Step 4: Simplify right side
    403,979.94x = 124,138,199,784.71
  5. Step 5: Solve for x
    x = 124,138,199,784.71/403,979.94
  6. Step 6: Final answer
    x = 307,288.03

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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.