Home / 403,929.30-557,426.34-222,648.33

Finding the Fourth Proportional to 403,929.30, 557,426.34 and 222,648.33

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Solution

The fourth proportional to 403,929.30, 557,426.34 and 222,648.33 is: 307,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,929.30 : 557,426.34 = 222,648.33 : x
  2. Step 2: Convert to fraction form
    403,929.30/557,426.34 = 222,648.33/x
  3. Step 3: Cross multiply
    403,929.30x = 557,426.34 × 222,648.33
  4. Step 4: Simplify right side
    403,929.30x = 124,110,043,699.01
  5. Step 5: Solve for x
    x = 124,110,043,699.01/403,929.30
  6. Step 6: Final answer
    x = 307,256.85

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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.