Home / 931,763.97-1,397,677.02-257,788.80

Finding the Fourth Proportional to 931,763.97, 1,397,677.02 and 257,788.80

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Solution

The fourth proportional to 931,763.97, 1,397,677.02 and 257,788.80 is: 386,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,763.97 : 1,397,677.02 = 257,788.80 : x
  2. Step 2: Convert to fraction form
    931,763.97/1,397,677.02 = 257,788.80/x
  3. Step 3: Cross multiply
    931,763.97x = 1,397,677.02 × 257,788.80
  4. Step 4: Simplify right side
    931,763.97x = 360,305,481,773.38
  5. Step 5: Solve for x
    x = 360,305,481,773.38/931,763.97
  6. Step 6: Final answer
    x = 386,691.79

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1.5x scale

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.