Home / 1,433,046.24-2,147,939.73-748,878.21

Finding the Fourth Proportional to 1,433,046.24, 2,147,939.73 and 748,878.21

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Solution

The fourth proportional to 1,433,046.24, 2,147,939.73 and 748,878.21 is: 1,122,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,046.24 : 2,147,939.73 = 748,878.21 : x
  2. Step 2: Convert to fraction form
    1,433,046.24/2,147,939.73 = 748,878.21/x
  3. Step 3: Cross multiply
    1,433,046.24x = 2,147,939.73 × 748,878.21
  4. Step 4: Simplify right side
    1,433,046.24x = 1,608,545,260,190.28
  5. Step 5: Solve for x
    x = 1,608,545,260,190.28/1,433,046.24
  6. Step 6: Final answer
    x = 1,122,465.71

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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.