Home / 463,331.80-694,997.70-285,261.40

Finding the Fourth Proportional to 463,331.80, 694,997.70 and 285,261.40

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Solution

The fourth proportional to 463,331.80, 694,997.70 and 285,261.40 is: 427,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,331.80 : 694,997.70 = 285,261.40 : x
  2. Step 2: Convert to fraction form
    463,331.80/694,997.70 = 285,261.40/x
  3. Step 3: Cross multiply
    463,331.80x = 694,997.70 × 285,261.40
  4. Step 4: Simplify right side
    463,331.80x = 198,256,016,898.78
  5. Step 5: Solve for x
    x = 198,256,016,898.78/463,331.80
  6. Step 6: Final answer
    x = 427,892.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.