Home / 404,062.22-557,671.66-243,080.04

Finding the Fourth Proportional to 404,062.22, 557,671.66 and 243,080.04

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Solution

The fourth proportional to 404,062.22, 557,671.66 and 243,080.04 is: 335,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,062.22 : 557,671.66 = 243,080.04 : x
  2. Step 2: Convert to fraction form
    404,062.22/557,671.66 = 243,080.04/x
  3. Step 3: Cross multiply
    404,062.22x = 557,671.66 × 243,080.04
  4. Step 4: Simplify right side
    404,062.22x = 135,558,849,419.67
  5. Step 5: Solve for x
    x = 135,558,849,419.67/404,062.22
  6. Step 6: Final answer
    x = 335,490.04

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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.