Home / 1,328,986.40-1,833,363.60-965,847.20

Finding the Fourth Proportional to 1,328,986.40, 1,833,363.60 and 965,847.20

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Solution

The fourth proportional to 1,328,986.40, 1,833,363.60 and 965,847.20 is: 1,332,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,986.40 : 1,833,363.60 = 965,847.20 : x
  2. Step 2: Convert to fraction form
    1,328,986.40/1,833,363.60 = 965,847.20/x
  3. Step 3: Cross multiply
    1,328,986.40x = 1,833,363.60 × 965,847.20
  4. Step 4: Simplify right side
    1,328,986.40x = 1,770,749,099,641.92
  5. Step 5: Solve for x
    x = 1,770,749,099,641.92/1,328,986.40
  6. Step 6: Final answer
    x = 1,332,405.73

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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.