Home / 831,653.52-1,147,682.52-449,680.56

Finding the Fourth Proportional to 831,653.52, 1,147,682.52 and 449,680.56

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Solution

The fourth proportional to 831,653.52, 1,147,682.52 and 449,680.56 is: 620,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,653.52 : 1,147,682.52 = 449,680.56 : x
  2. Step 2: Convert to fraction form
    831,653.52/1,147,682.52 = 449,680.56/x
  3. Step 3: Cross multiply
    831,653.52x = 1,147,682.52 × 449,680.56
  4. Step 4: Simplify right side
    831,653.52x = 516,090,518,295.81
  5. Step 5: Solve for x
    x = 516,090,518,295.81/831,653.52
  6. Step 6: Final answer
    x = 620,559.53

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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.