Home / 807,786.92-1,114,700.46-445,209.68

Finding the Fourth Proportional to 807,786.92, 1,114,700.46 and 445,209.68

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Solution

The fourth proportional to 807,786.92, 1,114,700.46 and 445,209.68 is: 614,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,786.92 : 1,114,700.46 = 445,209.68 : x
  2. Step 2: Convert to fraction form
    807,786.92/1,114,700.46 = 445,209.68/x
  3. Step 3: Cross multiply
    807,786.92x = 1,114,700.46 × 445,209.68
  4. Step 4: Simplify right side
    807,786.92x = 496,275,435,092.45
  5. Step 5: Solve for x
    x = 496,275,435,092.45/807,786.92
  6. Step 6: Final answer
    x = 614,364.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.