Home / 1,263,647.73-1,743,591.95-719,771.61

Finding the Fourth Proportional to 1,263,647.73, 1,743,591.95 and 719,771.61

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Solution

The fourth proportional to 1,263,647.73, 1,743,591.95 and 719,771.61 is: 993,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,647.73 : 1,743,591.95 = 719,771.61 : x
  2. Step 2: Convert to fraction form
    1,263,647.73/1,743,591.95 = 719,771.61/x
  3. Step 3: Cross multiply
    1,263,647.73x = 1,743,591.95 × 719,771.61
  4. Step 4: Simplify right side
    1,263,647.73x = 1,254,987,985,034.54
  5. Step 5: Solve for x
    x = 1,254,987,985,034.54/1,263,647.73
  6. Step 6: Final answer
    x = 993,147.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.