Home / 404,128.56-557,686.44-222,837.60

Finding the Fourth Proportional to 404,128.56, 557,686.44 and 222,837.60

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Solution

The fourth proportional to 404,128.56, 557,686.44 and 222,837.60 is: 307,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,128.56 : 557,686.44 = 222,837.60 : x
  2. Step 2: Convert to fraction form
    404,128.56/557,686.44 = 222,837.60/x
  3. Step 3: Cross multiply
    404,128.56x = 557,686.44 × 222,837.60
  4. Step 4: Simplify right side
    404,128.56x = 124,273,507,842.14
  5. Step 5: Solve for x
    x = 124,273,507,842.14/404,128.56
  6. Step 6: Final answer
    x = 307,509.84

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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.