Home / 799,684.52-1,199,736.83-287,401.36

Finding the Fourth Proportional to 799,684.52, 1,199,736.83 and 287,401.36

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Solution

The fourth proportional to 799,684.52, 1,199,736.83 and 287,401.36 is: 431,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,684.52 : 1,199,736.83 = 287,401.36 : x
  2. Step 2: Convert to fraction form
    799,684.52/1,199,736.83 = 287,401.36/x
  3. Step 3: Cross multiply
    799,684.52x = 1,199,736.83 × 287,401.36
  4. Step 4: Simplify right side
    799,684.52x = 344,805,994,496.74
  5. Step 5: Solve for x
    x = 344,805,994,496.74/799,684.52
  6. Step 6: Final answer
    x = 431,177.53

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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.