Home / 1,431,108.66-2,147,050.17-484,479.48

Finding the Fourth Proportional to 1,431,108.66, 2,147,050.17 and 484,479.48

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Solution

The fourth proportional to 1,431,108.66, 2,147,050.17 and 484,479.48 is: 726,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,108.66 : 2,147,050.17 = 484,479.48 : x
  2. Step 2: Convert to fraction form
    1,431,108.66/2,147,050.17 = 484,479.48/x
  3. Step 3: Cross multiply
    1,431,108.66x = 2,147,050.17 × 484,479.48
  4. Step 4: Simplify right side
    1,431,108.66x = 1,040,201,749,895.51
  5. Step 5: Solve for x
    x = 1,040,201,749,895.51/1,431,108.66
  6. Step 6: Final answer
    x = 726,850.29

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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.