Home / 677,556.25-935,028.97-371,635.13

Finding the Fourth Proportional to 677,556.25, 935,028.97 and 371,635.13

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Solution

The fourth proportional to 677,556.25, 935,028.97 and 371,635.13 is: 512,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,556.25 : 935,028.97 = 371,635.13 : x
  2. Step 2: Convert to fraction form
    677,556.25/935,028.97 = 371,635.13/x
  3. Step 3: Cross multiply
    677,556.25x = 935,028.97 × 371,635.13
  4. Step 4: Simplify right side
    677,556.25x = 347,489,612,819.72
  5. Step 5: Solve for x
    x = 347,489,612,819.72/677,556.25
  6. Step 6: Final answer
    x = 512,857.22

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1.5x scale

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.