Home / 400,961.88-552,884.12-255,537.51

Finding the Fourth Proportional to 400,961.88, 552,884.12 and 255,537.51

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Solution

The fourth proportional to 400,961.88, 552,884.12 and 255,537.51 is: 352,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,961.88 : 552,884.12 = 255,537.51 : x
  2. Step 2: Convert to fraction form
    400,961.88/552,884.12 = 255,537.51/x
  3. Step 3: Cross multiply
    400,961.88x = 552,884.12 × 255,537.51
  4. Step 4: Simplify right side
    400,961.88x = 141,282,630,146.24
  5. Step 5: Solve for x
    x = 141,282,630,146.24/400,961.88
  6. Step 6: Final answer
    x = 352,359.25

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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.