Home / 404,023.46-557,553.51-242,970.75

Finding the Fourth Proportional to 404,023.46, 557,553.51 and 242,970.75

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Solution

The fourth proportional to 404,023.46, 557,553.51 and 242,970.75 is: 335,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,023.46 : 557,553.51 = 242,970.75 : x
  2. Step 2: Convert to fraction form
    404,023.46/557,553.51 = 242,970.75/x
  3. Step 3: Cross multiply
    404,023.46x = 557,553.51 × 242,970.75
  4. Step 4: Simplify right side
    404,023.46x = 135,469,194,489.83
  5. Step 5: Solve for x
    x = 135,469,194,489.83/404,023.46
  6. Step 6: Final answer
    x = 335,300.32

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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.