Home / 731,405.56-1,096,713.86-331,828.30

Finding the Fourth Proportional to 731,405.56, 1,096,713.86 and 331,828.30

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Solution

The fourth proportional to 731,405.56, 1,096,713.86 and 331,828.30 is: 497,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,405.56 : 1,096,713.86 = 331,828.30 : x
  2. Step 2: Convert to fraction form
    731,405.56/1,096,713.86 = 331,828.30/x
  3. Step 3: Cross multiply
    731,405.56x = 1,096,713.86 × 331,828.30
  4. Step 4: Simplify right side
    731,405.56x = 363,920,695,750.24
  5. Step 5: Solve for x
    x = 363,920,695,750.24/731,405.56
  6. Step 6: Final answer
    x = 497,563.48

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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.