Home / 862,543.94-1,292,157.69-482,311.44

Finding the Fourth Proportional to 862,543.94, 1,292,157.69 and 482,311.44

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Solution

The fourth proportional to 862,543.94, 1,292,157.69 and 482,311.44 is: 722,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,543.94 : 1,292,157.69 = 482,311.44 : x
  2. Step 2: Convert to fraction form
    862,543.94/1,292,157.69 = 482,311.44/x
  3. Step 3: Cross multiply
    862,543.94x = 1,292,157.69 × 482,311.44
  4. Step 4: Simplify right side
    862,543.94x = 623,222,436,170.97
  5. Step 5: Solve for x
    x = 623,222,436,170.97/862,543.94
  6. Step 6: Final answer
    x = 722,539.93

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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.