Home / 928,685.82-1,393,167.13-329,596.81

Finding the Fourth Proportional to 928,685.82, 1,393,167.13 and 329,596.81

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Solution

The fourth proportional to 928,685.82, 1,393,167.13 and 329,596.81 is: 494,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,685.82 : 1,393,167.13 = 329,596.81 : x
  2. Step 2: Convert to fraction form
    928,685.82/1,393,167.13 = 329,596.81/x
  3. Step 3: Cross multiply
    928,685.82x = 1,393,167.13 × 329,596.81
  4. Step 4: Simplify right side
    928,685.82x = 459,183,438,801.87
  5. Step 5: Solve for x
    x = 459,183,438,801.87/928,685.82
  6. Step 6: Final answer
    x = 494,444.33

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Double scale
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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.