Home / 1,149,849.64-1,586,981.46-640,716.04

Finding the Fourth Proportional to 1,149,849.64, 1,586,981.46 and 640,716.04

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Solution

The fourth proportional to 1,149,849.64, 1,586,981.46 and 640,716.04 is: 884,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,849.64 : 1,586,981.46 = 640,716.04 : x
  2. Step 2: Convert to fraction form
    1,149,849.64/1,586,981.46 = 640,716.04/x
  3. Step 3: Cross multiply
    1,149,849.64x = 1,586,981.46 × 640,716.04
  4. Step 4: Simplify right side
    1,149,849.64x = 1,016,804,476,604.62
  5. Step 5: Solve for x
    x = 1,016,804,476,604.62/1,149,849.64
  6. Step 6: Final answer
    x = 884,293.43

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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.