Home / 816,233.40-1,221,930.90-606,799.80

Finding the Fourth Proportional to 816,233.40, 1,221,930.90 and 606,799.80

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Solution

The fourth proportional to 816,233.40, 1,221,930.90 and 606,799.80 is: 908,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,233.40 : 1,221,930.90 = 606,799.80 : x
  2. Step 2: Convert to fraction form
    816,233.40/1,221,930.90 = 606,799.80/x
  3. Step 3: Cross multiply
    816,233.40x = 1,221,930.90 × 606,799.80
  4. Step 4: Simplify right side
    816,233.40x = 741,467,425,733.82
  5. Step 5: Solve for x
    x = 741,467,425,733.82/816,233.40
  6. Step 6: Final answer
    x = 908,401.23

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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.