Home / 403,947.72-557,479.98-222,692.04

Finding the Fourth Proportional to 403,947.72, 557,479.98 and 222,692.04

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Solution

The fourth proportional to 403,947.72, 557,479.98 and 222,692.04 is: 307,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,947.72 : 557,479.98 = 222,692.04 : x
  2. Step 2: Convert to fraction form
    403,947.72/557,479.98 = 222,692.04/x
  3. Step 3: Cross multiply
    403,947.72x = 557,479.98 × 222,692.04
  4. Step 4: Simplify right side
    403,947.72x = 124,146,354,005.36
  5. Step 5: Solve for x
    x = 124,146,354,005.36/403,947.72
  6. Step 6: Final answer
    x = 307,332.73

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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.