Home / 427,816.62-590,393.89-234,221.06

Finding the Fourth Proportional to 427,816.62, 590,393.89 and 234,221.06

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Solution

The fourth proportional to 427,816.62, 590,393.89 and 234,221.06 is: 323,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.62 : 590,393.89 = 234,221.06 : x
  2. Step 2: Convert to fraction form
    427,816.62/590,393.89 = 234,221.06/x
  3. Step 3: Cross multiply
    427,816.62x = 590,393.89 × 234,221.06
  4. Step 4: Simplify right side
    427,816.62x = 138,282,679,781.35
  5. Step 5: Solve for x
    x = 138,282,679,781.35/427,816.62
  6. Step 6: Final answer
    x = 323,228.87

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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.