Home / 928,867.06-1,393,396.24-321,654.19

Finding the Fourth Proportional to 928,867.06, 1,393,396.24 and 321,654.19

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Solution

The fourth proportional to 928,867.06, 1,393,396.24 and 321,654.19 is: 482,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,867.06 : 1,393,396.24 = 321,654.19 : x
  2. Step 2: Convert to fraction form
    928,867.06/1,393,396.24 = 321,654.19/x
  3. Step 3: Cross multiply
    928,867.06x = 1,393,396.24 × 321,654.19
  4. Step 4: Simplify right side
    928,867.06x = 448,191,743,449.67
  5. Step 5: Solve for x
    x = 448,191,743,449.67/928,867.06
  6. Step 6: Final answer
    x = 482,514.41

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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.