Home / 403,799.80-557,268.52-222,511.64

Finding the Fourth Proportional to 403,799.80, 557,268.52 and 222,511.64

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Solution

The fourth proportional to 403,799.80, 557,268.52 and 222,511.64 is: 307,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,799.80 : 557,268.52 = 222,511.64 : x
  2. Step 2: Convert to fraction form
    403,799.80/557,268.52 = 222,511.64/x
  3. Step 3: Cross multiply
    403,799.80x = 557,268.52 × 222,511.64
  4. Step 4: Simplify right side
    403,799.80x = 123,998,732,305.57
  5. Step 5: Solve for x
    x = 123,998,732,305.57/403,799.80
  6. Step 6: Final answer
    x = 307,079.73

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1.5x scale

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.