Home / 957,682.96-1,321,722.12-549,912.40

Finding the Fourth Proportional to 957,682.96, 1,321,722.12 and 549,912.40

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Solution

The fourth proportional to 957,682.96, 1,321,722.12 and 549,912.40 is: 758,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,682.96 : 1,321,722.12 = 549,912.40 : x
  2. Step 2: Convert to fraction form
    957,682.96/1,321,722.12 = 549,912.40/x
  3. Step 3: Cross multiply
    957,682.96x = 1,321,722.12 × 549,912.40
  4. Step 4: Simplify right side
    957,682.96x = 726,831,383,142.29
  5. Step 5: Solve for x
    x = 726,831,383,142.29/957,682.96
  6. Step 6: Final answer
    x = 758,947.81

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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.