Home / 805,705.20-1,207,245.60-593,128.80

Finding the Fourth Proportional to 805,705.20, 1,207,245.60 and 593,128.80

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Solution

The fourth proportional to 805,705.20, 1,207,245.60 and 593,128.80 is: 888,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,705.20 : 1,207,245.60 = 593,128.80 : x
  2. Step 2: Convert to fraction form
    805,705.20/1,207,245.60 = 593,128.80/x
  3. Step 3: Cross multiply
    805,705.20x = 1,207,245.60 × 593,128.80
  4. Step 4: Simplify right side
    805,705.20x = 716,052,134,033.28
  5. Step 5: Solve for x
    x = 716,052,134,033.28/805,705.20
  6. Step 6: Final answer
    x = 888,727.21

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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.