Home / 403,856.68-557,326.04-222,575.16

Finding the Fourth Proportional to 403,856.68, 557,326.04 and 222,575.16

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Solution

The fourth proportional to 403,856.68, 557,326.04 and 222,575.16 is: 307,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,856.68 : 557,326.04 = 222,575.16 : x
  2. Step 2: Convert to fraction form
    403,856.68/557,326.04 = 222,575.16/x
  3. Step 3: Cross multiply
    403,856.68x = 557,326.04 × 222,575.16
  4. Step 4: Simplify right side
    403,856.68x = 124,046,932,525.17
  5. Step 5: Solve for x
    x = 124,046,932,525.17/403,856.68
  6. Step 6: Final answer
    x = 307,155.83

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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.