Home / 577,796.75-865,985.28-324,544.88

Finding the Fourth Proportional to 577,796.75, 865,985.28 and 324,544.88

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Solution

The fourth proportional to 577,796.75, 865,985.28 and 324,544.88 is: 486,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,796.75 : 865,985.28 = 324,544.88 : x
  2. Step 2: Convert to fraction form
    577,796.75/865,985.28 = 324,544.88/x
  3. Step 3: Cross multiply
    577,796.75x = 865,985.28 × 324,544.88
  4. Step 4: Simplify right side
    577,796.75x = 281,051,090,944.33
  5. Step 5: Solve for x
    x = 281,051,090,944.33/577,796.75
  6. Step 6: Final answer
    x = 486,418.61

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Double scale
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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.