Home / 941,815.49-1,299,721.61-512,098.52

Finding the Fourth Proportional to 941,815.49, 1,299,721.61 and 512,098.52

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Solution

The fourth proportional to 941,815.49, 1,299,721.61 and 512,098.52 is: 706,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,815.49 : 1,299,721.61 = 512,098.52 : x
  2. Step 2: Convert to fraction form
    941,815.49/1,299,721.61 = 512,098.52/x
  3. Step 3: Cross multiply
    941,815.49x = 1,299,721.61 × 512,098.52
  4. Step 4: Simplify right side
    941,815.49x = 665,585,512,893.02
  5. Step 5: Solve for x
    x = 665,585,512,893.02/941,815.49
  6. Step 6: Final answer
    x = 706,704.78

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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.