Home / 831,520.10-1,247,863.35-532,727.30

Finding the Fourth Proportional to 831,520.10, 1,247,863.35 and 532,727.30

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Solution

The fourth proportional to 831,520.10, 1,247,863.35 and 532,727.30 is: 799,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,520.10 : 1,247,863.35 = 532,727.30 : x
  2. Step 2: Convert to fraction form
    831,520.10/1,247,863.35 = 532,727.30/x
  3. Step 3: Cross multiply
    831,520.10x = 1,247,863.35 × 532,727.30
  4. Step 4: Simplify right side
    831,520.10x = 664,770,873,214.46
  5. Step 5: Solve for x
    x = 664,770,873,214.46/831,520.10
  6. Step 6: Final answer
    x = 799,464.59

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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.