Home / 1,171,691.43-1,754,698.94-810,851.09

Finding the Fourth Proportional to 1,171,691.43, 1,754,698.94 and 810,851.09

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Solution

The fourth proportional to 1,171,691.43, 1,754,698.94 and 810,851.09 is: 1,214,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,691.43 : 1,754,698.94 = 810,851.09 : x
  2. Step 2: Convert to fraction form
    1,171,691.43/1,754,698.94 = 810,851.09/x
  3. Step 3: Cross multiply
    1,171,691.43x = 1,754,698.94 × 810,851.09
  4. Step 4: Simplify right side
    1,171,691.43x = 1,422,799,538,333.79
  5. Step 5: Solve for x
    x = 1,422,799,538,333.79/1,171,691.43
  6. Step 6: Final answer
    x = 1,214,312.49

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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.