Home / 413,170.56-570,128.40-231,845.04

Finding the Fourth Proportional to 413,170.56, 570,128.40 and 231,845.04

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Solution

The fourth proportional to 413,170.56, 570,128.40 and 231,845.04 is: 319,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,170.56 : 570,128.40 = 231,845.04 : x
  2. Step 2: Convert to fraction form
    413,170.56/570,128.40 = 231,845.04/x
  3. Step 3: Cross multiply
    413,170.56x = 570,128.40 × 231,845.04
  4. Step 4: Simplify right side
    413,170.56x = 132,181,441,703.14
  5. Step 5: Solve for x
    x = 132,181,441,703.14/413,170.56
  6. Step 6: Final answer
    x = 319,919.80

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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.