Home / 1,277,704.38-1,914,663.10-518,622.20

Finding the Fourth Proportional to 1,277,704.38, 1,914,663.10 and 518,622.20

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Solution

The fourth proportional to 1,277,704.38, 1,914,663.10 and 518,622.20 is: 777,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,704.38 : 1,914,663.10 = 518,622.20 : x
  2. Step 2: Convert to fraction form
    1,277,704.38/1,914,663.10 = 518,622.20/x
  3. Step 3: Cross multiply
    1,277,704.38x = 1,914,663.10 × 518,622.20
  4. Step 4: Simplify right side
    1,277,704.38x = 992,986,789,180.82
  5. Step 5: Solve for x
    x = 992,986,789,180.82/1,277,704.38
  6. Step 6: Final answer
    x = 777,164.74

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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.