Home / 693,942.66-957,515.85-388,025.10

Finding the Fourth Proportional to 693,942.66, 957,515.85 and 388,025.10

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Solution

The fourth proportional to 693,942.66, 957,515.85 and 388,025.10 is: 535,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,942.66 : 957,515.85 = 388,025.10 : x
  2. Step 2: Convert to fraction form
    693,942.66/957,515.85 = 388,025.10/x
  3. Step 3: Cross multiply
    693,942.66x = 957,515.85 × 388,025.10
  4. Step 4: Simplify right side
    693,942.66x = 371,540,183,447.84
  5. Step 5: Solve for x
    x = 371,540,183,447.84/693,942.66
  6. Step 6: Final answer
    x = 535,404.73

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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.