Home / 831,664.16-1,147,697.35-449,690.84

Finding the Fourth Proportional to 831,664.16, 1,147,697.35 and 449,690.84

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Solution

The fourth proportional to 831,664.16, 1,147,697.35 and 449,690.84 is: 620,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,664.16 : 1,147,697.35 = 449,690.84 : x
  2. Step 2: Convert to fraction form
    831,664.16/1,147,697.35 = 449,690.84/x
  3. Step 3: Cross multiply
    831,664.16x = 1,147,697.35 × 449,690.84
  4. Step 4: Simplify right side
    831,664.16x = 516,108,978,524.56
  5. Step 5: Solve for x
    x = 516,108,978,524.56/831,664.16
  6. Step 6: Final answer
    x = 620,573.79

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1.5x scale

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.