Home / 677,537.90-935,028.45-371,627.18

Finding the Fourth Proportional to 677,537.90, 935,028.45 and 371,627.18

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Solution

The fourth proportional to 677,537.90, 935,028.45 and 371,627.18 is: 512,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,537.90 : 935,028.45 = 371,627.18 : x
  2. Step 2: Convert to fraction form
    677,537.90/935,028.45 = 371,627.18/x
  3. Step 3: Cross multiply
    677,537.90x = 935,028.45 × 371,627.18
  4. Step 4: Simplify right side
    677,537.90x = 347,481,981,418.13
  5. Step 5: Solve for x
    x = 347,481,981,418.13/677,537.90
  6. Step 6: Final answer
    x = 512,859.85

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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.