Home / 762,383.44-1,142,131.72-508,899.60

Finding the Fourth Proportional to 762,383.44, 1,142,131.72 and 508,899.60

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Solution

The fourth proportional to 762,383.44, 1,142,131.72 and 508,899.60 is: 762,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,383.44 : 1,142,131.72 = 508,899.60 : x
  2. Step 2: Convert to fraction form
    762,383.44/1,142,131.72 = 508,899.60/x
  3. Step 3: Cross multiply
    762,383.44x = 1,142,131.72 × 508,899.60
  4. Step 4: Simplify right side
    762,383.44x = 581,230,375,455.31
  5. Step 5: Solve for x
    x = 581,230,375,455.31/762,383.44
  6. Step 6: Final answer
    x = 762,385.89

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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.