Home / 1,207,126-1,810,969.08-354,163.24

Finding the Fourth Proportional to 1,207,126, 1,810,969.08 and 354,163.24

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Solution

The fourth proportional to 1,207,126, 1,810,969.08 and 354,163.24 is: 531,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,126 : 1,810,969.08 = 354,163.24 : x
  2. Step 2: Convert to fraction form
    1,207,126/1,810,969.08 = 354,163.24/x
  3. Step 3: Cross multiply
    1,207,126x = 1,810,969.08 × 354,163.24
  4. Step 4: Simplify right side
    1,207,126x = 641,378,676,912.62
  5. Step 5: Solve for x
    x = 641,378,676,912.62/1,207,126
  6. Step 6: Final answer
    x = 531,327.03

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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.