Home / 567,128.35-782,654.85-325,455.13

Finding the Fourth Proportional to 567,128.35, 782,654.85 and 325,455.13

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Solution

The fourth proportional to 567,128.35, 782,654.85 and 325,455.13 is: 449,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,128.35 : 782,654.85 = 325,455.13 : x
  2. Step 2: Convert to fraction form
    567,128.35/782,654.85 = 325,455.13/x
  3. Step 3: Cross multiply
    567,128.35x = 782,654.85 × 325,455.13
  4. Step 4: Simplify right side
    567,128.35x = 254,719,035,951.88
  5. Step 5: Solve for x
    x = 254,719,035,951.88/567,128.35
  6. Step 6: Final answer
    x = 449,138.25

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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.