Home / 1,074,660.26-1,483,395.30-667,000.71

Finding the Fourth Proportional to 1,074,660.26, 1,483,395.30 and 667,000.71

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Solution

The fourth proportional to 1,074,660.26, 1,483,395.30 and 667,000.71 is: 920,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,660.26 : 1,483,395.30 = 667,000.71 : x
  2. Step 2: Convert to fraction form
    1,074,660.26/1,483,395.30 = 667,000.71/x
  3. Step 3: Cross multiply
    1,074,660.26x = 1,483,395.30 × 667,000.71
  4. Step 4: Simplify right side
    1,074,660.26x = 989,425,718,310.66
  5. Step 5: Solve for x
    x = 989,425,718,310.66/1,074,660.26
  6. Step 6: Final answer
    x = 920,686.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.