Home / 831,524.60-1,247,870.10-532,731.80

Finding the Fourth Proportional to 831,524.60, 1,247,870.10 and 532,731.80

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Solution

The fourth proportional to 831,524.60, 1,247,870.10 and 532,731.80 is: 799,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,524.60 : 1,247,870.10 = 532,731.80 : x
  2. Step 2: Convert to fraction form
    831,524.60/1,247,870.10 = 532,731.80/x
  3. Step 3: Cross multiply
    831,524.60x = 1,247,870.10 × 532,731.80
  4. Step 4: Simplify right side
    831,524.60x = 664,780,084,539.18
  5. Step 5: Solve for x
    x = 664,780,084,539.18/831,524.60
  6. Step 6: Final answer
    x = 799,471.34

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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.