Home / 693,792.77-1,040,672.94-319,815.77

Finding the Fourth Proportional to 693,792.77, 1,040,672.94 and 319,815.77

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Solution

The fourth proportional to 693,792.77, 1,040,672.94 and 319,815.77 is: 479,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,792.77 : 1,040,672.94 = 319,815.77 : x
  2. Step 2: Convert to fraction form
    693,792.77/1,040,672.94 = 319,815.77/x
  3. Step 3: Cross multiply
    693,792.77x = 1,040,672.94 × 319,815.77
  4. Step 4: Simplify right side
    693,792.77x = 332,823,617,624.26
  5. Step 5: Solve for x
    x = 332,823,617,624.26/693,792.77
  6. Step 6: Final answer
    x = 479,716.18

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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.