Home / 403,723.50-557,138.43-234,056.04

Finding the Fourth Proportional to 403,723.50, 557,138.43 and 234,056.04

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Solution

The fourth proportional to 403,723.50, 557,138.43 and 234,056.04 is: 322,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,723.50 : 557,138.43 = 234,056.04 : x
  2. Step 2: Convert to fraction form
    403,723.50/557,138.43 = 234,056.04/x
  3. Step 3: Cross multiply
    403,723.50x = 557,138.43 × 234,056.04
  4. Step 4: Simplify right side
    403,723.50x = 130,401,614,657.62
  5. Step 5: Solve for x
    x = 130,401,614,657.62/403,723.50
  6. Step 6: Final answer
    x = 322,997.34

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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.