Home / 1,271,237.66-1,906,856.50-798,255.18

Finding the Fourth Proportional to 1,271,237.66, 1,906,856.50 and 798,255.18

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Solution

The fourth proportional to 1,271,237.66, 1,906,856.50 and 798,255.18 is: 1,197,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,237.66 : 1,906,856.50 = 798,255.18 : x
  2. Step 2: Convert to fraction form
    1,271,237.66/1,906,856.50 = 798,255.18/x
  3. Step 3: Cross multiply
    1,271,237.66x = 1,906,856.50 × 798,255.18
  4. Step 4: Simplify right side
    1,271,237.66x = 1,522,158,078,641.67
  5. Step 5: Solve for x
    x = 1,522,158,078,641.67/1,271,237.66
  6. Step 6: Final answer
    x = 1,197,382.78

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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.