Home / 782,114.40-1,174,597.20-684,136.80

Finding the Fourth Proportional to 782,114.40, 1,174,597.20 and 684,136.80

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Solution

The fourth proportional to 782,114.40, 1,174,597.20 and 684,136.80 is: 1,027,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,114.40 : 1,174,597.20 = 684,136.80 : x
  2. Step 2: Convert to fraction form
    782,114.40/1,174,597.20 = 684,136.80/x
  3. Step 3: Cross multiply
    782,114.40x = 1,174,597.20 × 684,136.80
  4. Step 4: Simplify right side
    782,114.40x = 803,585,169,696.96
  5. Step 5: Solve for x
    x = 803,585,169,696.96/782,114.40
  6. Step 6: Final answer
    x = 1,027,452.21

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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.