Home / 403,826.88-557,305.44-222,538.32

Finding the Fourth Proportional to 403,826.88, 557,305.44 and 222,538.32

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Solution

The fourth proportional to 403,826.88, 557,305.44 and 222,538.32 is: 307,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,826.88 : 557,305.44 = 222,538.32 : x
  2. Step 2: Convert to fraction form
    403,826.88/557,305.44 = 222,538.32/x
  3. Step 3: Cross multiply
    403,826.88x = 557,305.44 × 222,538.32
  4. Step 4: Simplify right side
    403,826.88x = 124,021,816,344.46
  5. Step 5: Solve for x
    x = 124,021,816,344.46/403,826.88
  6. Step 6: Final answer
    x = 307,116.30

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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.