Home / 1,121,393.08-1,682,073.78-522,019

Finding the Fourth Proportional to 1,121,393.08, 1,682,073.78 and 522,019

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Solution

The fourth proportional to 1,121,393.08, 1,682,073.78 and 522,019 is: 783,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,393.08 : 1,682,073.78 = 522,019 : x
  2. Step 2: Convert to fraction form
    1,121,393.08/1,682,073.78 = 522,019/x
  3. Step 3: Cross multiply
    1,121,393.08x = 1,682,073.78 × 522,019
  4. Step 4: Simplify right side
    1,121,393.08x = 878,074,472,561.82
  5. Step 5: Solve for x
    x = 878,074,472,561.82/1,121,393.08
  6. Step 6: Final answer
    x = 783,021.13

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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.