Home / 805,799.88-1,205,717.94-486,136.89

Finding the Fourth Proportional to 805,799.88, 1,205,717.94 and 486,136.89

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Solution

The fourth proportional to 805,799.88, 1,205,717.94 and 486,136.89 is: 727,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,799.88 : 1,205,717.94 = 486,136.89 : x
  2. Step 2: Convert to fraction form
    805,799.88/1,205,717.94 = 486,136.89/x
  3. Step 3: Cross multiply
    805,799.88x = 1,205,717.94 × 486,136.89
  4. Step 4: Simplify right side
    805,799.88x = 586,143,969,568.81
  5. Step 5: Solve for x
    x = 586,143,969,568.81/805,799.88
  6. Step 6: Final answer
    x = 727,406.37

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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.