Home / 689,060.37-1,034,540.87-475,321.44

Finding the Fourth Proportional to 689,060.37, 1,034,540.87 and 475,321.44

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Solution

The fourth proportional to 689,060.37, 1,034,540.87 and 475,321.44 is: 713,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,060.37 : 1,034,540.87 = 475,321.44 : x
  2. Step 2: Convert to fraction form
    689,060.37/1,034,540.87 = 475,321.44/x
  3. Step 3: Cross multiply
    689,060.37x = 1,034,540.87 × 475,321.44
  4. Step 4: Simplify right side
    689,060.37x = 491,739,457,255.56
  5. Step 5: Solve for x
    x = 491,739,457,255.56/689,060.37
  6. Step 6: Final answer
    x = 713,637.70

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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.