Home / 1,296,578.07-1,945,172.60-443,659.01

Finding the Fourth Proportional to 1,296,578.07, 1,945,172.60 and 443,659.01

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Solution

The fourth proportional to 1,296,578.07, 1,945,172.60 and 443,659.01 is: 665,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,578.07 : 1,945,172.60 = 443,659.01 : x
  2. Step 2: Convert to fraction form
    1,296,578.07/1,945,172.60 = 443,659.01/x
  3. Step 3: Cross multiply
    1,296,578.07x = 1,945,172.60 × 443,659.01
  4. Step 4: Simplify right side
    1,296,578.07x = 862,993,338,050.97
  5. Step 5: Solve for x
    x = 862,993,338,050.97/1,296,578.07
  6. Step 6: Final answer
    x = 665,593.04

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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.