Home / 693,812.54-1,040,790.18-261,893.82

Finding the Fourth Proportional to 693,812.54, 1,040,790.18 and 261,893.82

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Solution

The fourth proportional to 693,812.54, 1,040,790.18 and 261,893.82 is: 392,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,812.54 : 1,040,790.18 = 261,893.82 : x
  2. Step 2: Convert to fraction form
    693,812.54/1,040,790.18 = 261,893.82/x
  3. Step 3: Cross multiply
    693,812.54x = 1,040,790.18 × 261,893.82
  4. Step 4: Simplify right side
    693,812.54x = 272,576,510,854.74
  5. Step 5: Solve for x
    x = 272,576,510,854.74/693,812.54
  6. Step 6: Final answer
    x = 392,867.66

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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.