Home / 404,212.40-557,822.08-222,929.76

Finding the Fourth Proportional to 404,212.40, 557,822.08 and 222,929.76

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Solution

The fourth proportional to 404,212.40, 557,822.08 and 222,929.76 is: 307,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,212.40 : 557,822.08 = 222,929.76 : x
  2. Step 2: Convert to fraction form
    404,212.40/557,822.08 = 222,929.76/x
  3. Step 3: Cross multiply
    404,212.40x = 557,822.08 × 222,929.76
  4. Step 4: Simplify right side
    404,212.40x = 124,355,142,417.10
  5. Step 5: Solve for x
    x = 124,355,142,417.10/404,212.40
  6. Step 6: Final answer
    x = 307,648.01

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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.