Home / 995,381.12-1,373,796.24-689,900.96

Finding the Fourth Proportional to 995,381.12, 1,373,796.24 and 689,900.96

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Solution

The fourth proportional to 995,381.12, 1,373,796.24 and 689,900.96 is: 952,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,381.12 : 1,373,796.24 = 689,900.96 : x
  2. Step 2: Convert to fraction form
    995,381.12/1,373,796.24 = 689,900.96/x
  3. Step 3: Cross multiply
    995,381.12x = 1,373,796.24 × 689,900.96
  4. Step 4: Simplify right side
    995,381.12x = 947,783,344,820.39
  5. Step 5: Solve for x
    x = 947,783,344,820.39/995,381.12
  6. Step 6: Final answer
    x = 952,181.36

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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.