Home / 415,464.48-573,381.45-245,753.28

Finding the Fourth Proportional to 415,464.48, 573,381.45 and 245,753.28

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Solution

The fourth proportional to 415,464.48, 573,381.45 and 245,753.28 is: 339,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,464.48 : 573,381.45 = 245,753.28 : x
  2. Step 2: Convert to fraction form
    415,464.48/573,381.45 = 245,753.28/x
  3. Step 3: Cross multiply
    415,464.48x = 573,381.45 × 245,753.28
  4. Step 4: Simplify right side
    415,464.48x = 140,910,372,028.66
  5. Step 5: Solve for x
    x = 140,910,372,028.66/415,464.48
  6. Step 6: Final answer
    x = 339,163.46

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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.