Home / 403,937.05-557,407.77-222,639.01

Finding the Fourth Proportional to 403,937.05, 557,407.77 and 222,639.01

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Solution

The fourth proportional to 403,937.05, 557,407.77 and 222,639.01 is: 307,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,937.05 : 557,407.77 = 222,639.01 : x
  2. Step 2: Convert to fraction form
    403,937.05/557,407.77 = 222,639.01/x
  3. Step 3: Cross multiply
    403,937.05x = 557,407.77 × 222,639.01
  4. Step 4: Simplify right side
    403,937.05x = 124,100,714,079.11
  5. Step 5: Solve for x
    x = 124,100,714,079.11/403,937.05
  6. Step 6: Final answer
    x = 307,227.86

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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.