Home / 403,862.36-557,305.01-222,564.16

Finding the Fourth Proportional to 403,862.36, 557,305.01 and 222,564.16

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Solution

The fourth proportional to 403,862.36, 557,305.01 and 222,564.16 is: 307,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,862.36 : 557,305.01 = 222,564.16 : x
  2. Step 2: Convert to fraction form
    403,862.36/557,305.01 = 222,564.16/x
  3. Step 3: Cross multiply
    403,862.36x = 557,305.01 × 222,564.16
  4. Step 4: Simplify right side
    403,862.36x = 124,036,118,698.03
  5. Step 5: Solve for x
    x = 124,036,118,698.03/403,862.36
  6. Step 6: Final answer
    x = 307,124.73

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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.