Home / 854,615.89-1,179,321.96-467,354.26

Finding the Fourth Proportional to 854,615.89, 1,179,321.96 and 467,354.26

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Solution

The fourth proportional to 854,615.89, 1,179,321.96 and 467,354.26 is: 644,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,615.89 : 1,179,321.96 = 467,354.26 : x
  2. Step 2: Convert to fraction form
    854,615.89/1,179,321.96 = 467,354.26/x
  3. Step 3: Cross multiply
    854,615.89x = 1,179,321.96 × 467,354.26
  4. Step 4: Simplify right side
    854,615.89x = 551,161,141,917.55
  5. Step 5: Solve for x
    x = 551,161,141,917.55/854,615.89
  6. Step 6: Final answer
    x = 644,922.65

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1.5x scale

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.