Home / 805,713.20-1,207,257.60-593,136.80

Finding the Fourth Proportional to 805,713.20, 1,207,257.60 and 593,136.80

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Solution

The fourth proportional to 805,713.20, 1,207,257.60 and 593,136.80 is: 888,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,713.20 : 1,207,257.60 = 593,136.80 : x
  2. Step 2: Convert to fraction form
    805,713.20/1,207,257.60 = 593,136.80/x
  3. Step 3: Cross multiply
    805,713.20x = 1,207,257.60 × 593,136.80
  4. Step 4: Simplify right side
    805,713.20x = 716,068,909,639.68
  5. Step 5: Solve for x
    x = 716,068,909,639.68/805,713.20
  6. Step 6: Final answer
    x = 888,739.21

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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.