Home / 809,527.20-1,214,290.80-573,136.80

Finding the Fourth Proportional to 809,527.20, 1,214,290.80 and 573,136.80

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Solution

The fourth proportional to 809,527.20, 1,214,290.80 and 573,136.80 is: 859,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,527.20 : 1,214,290.80 = 573,136.80 : x
  2. Step 2: Convert to fraction form
    809,527.20/1,214,290.80 = 573,136.80/x
  3. Step 3: Cross multiply
    809,527.20x = 1,214,290.80 × 573,136.80
  4. Step 4: Simplify right side
    809,527.20x = 695,954,743,381.44
  5. Step 5: Solve for x
    x = 695,954,743,381.44/809,527.20
  6. Step 6: Final answer
    x = 859,705.20

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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.