Home / 404,028.63-557,563.39-222,747.21

Finding the Fourth Proportional to 404,028.63, 557,563.39 and 222,747.21

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Solution

The fourth proportional to 404,028.63, 557,563.39 and 222,747.21 is: 307,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,028.63 : 557,563.39 = 222,747.21 : x
  2. Step 2: Convert to fraction form
    404,028.63/557,563.39 = 222,747.21/x
  3. Step 3: Cross multiply
    404,028.63x = 557,563.39 × 222,747.21
  4. Step 4: Simplify right side
    404,028.63x = 124,195,688,963.77
  5. Step 5: Solve for x
    x = 124,195,688,963.77/404,028.63
  6. Step 6: Final answer
    x = 307,393.29

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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.