Home / 1,399,183.11-2,097,708.06-439,084.98

Finding the Fourth Proportional to 1,399,183.11, 2,097,708.06 and 439,084.98

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Solution

The fourth proportional to 1,399,183.11, 2,097,708.06 and 439,084.98 is: 658,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,183.11 : 2,097,708.06 = 439,084.98 : x
  2. Step 2: Convert to fraction form
    1,399,183.11/2,097,708.06 = 439,084.98/x
  3. Step 3: Cross multiply
    1,399,183.11x = 2,097,708.06 × 439,084.98
  4. Step 4: Simplify right side
    1,399,183.11x = 921,072,101,570.94
  5. Step 5: Solve for x
    x = 921,072,101,570.94/1,399,183.11
  6. Step 6: Final answer
    x = 658,292.75

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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.