Home / 722,405.60-1,082,571.60-531,375.20

Finding the Fourth Proportional to 722,405.60, 1,082,571.60 and 531,375.20

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Solution

The fourth proportional to 722,405.60, 1,082,571.60 and 531,375.20 is: 796,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,405.60 : 1,082,571.60 = 531,375.20 : x
  2. Step 2: Convert to fraction form
    722,405.60/1,082,571.60 = 531,375.20/x
  3. Step 3: Cross multiply
    722,405.60x = 1,082,571.60 × 531,375.20
  4. Step 4: Simplify right side
    722,405.60x = 575,251,700,464.32
  5. Step 5: Solve for x
    x = 575,251,700,464.32/722,405.60
  6. Step 6: Final answer
    x = 796,300.17

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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.