Home / 1,207,696.05-1,811,542.86-309,136.32

Finding the Fourth Proportional to 1,207,696.05, 1,811,542.86 and 309,136.32

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Solution

The fourth proportional to 1,207,696.05, 1,811,542.86 and 309,136.32 is: 463,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,696.05 : 1,811,542.86 = 309,136.32 : x
  2. Step 2: Convert to fraction form
    1,207,696.05/1,811,542.86 = 309,136.32/x
  3. Step 3: Cross multiply
    1,207,696.05x = 1,811,542.86 × 309,136.32
  4. Step 4: Simplify right side
    1,207,696.05x = 560,013,693,262.68
  5. Step 5: Solve for x
    x = 560,013,693,262.68/1,207,696.05
  6. Step 6: Final answer
    x = 463,704.17

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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.