Home / 404,121.30-557,676.66-222,830.16

Finding the Fourth Proportional to 404,121.30, 557,676.66 and 222,830.16

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Solution

The fourth proportional to 404,121.30, 557,676.66 and 222,830.16 is: 307,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,121.30 : 557,676.66 = 222,830.16 : x
  2. Step 2: Convert to fraction form
    404,121.30/557,676.66 = 222,830.16/x
  3. Step 3: Cross multiply
    404,121.30x = 557,676.66 × 222,830.16
  4. Step 4: Simplify right side
    404,121.30x = 124,267,179,376.07
  5. Step 5: Solve for x
    x = 124,267,179,376.07/404,121.30
  6. Step 6: Final answer
    x = 307,499.70

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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.