Home / 807,786.74-1,114,700.13-445,209.48

Finding the Fourth Proportional to 807,786.74, 1,114,700.13 and 445,209.48

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Solution

The fourth proportional to 807,786.74, 1,114,700.13 and 445,209.48 is: 614,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,786.74 : 1,114,700.13 = 445,209.48 : x
  2. Step 2: Convert to fraction form
    807,786.74/1,114,700.13 = 445,209.48/x
  3. Step 3: Cross multiply
    807,786.74x = 1,114,700.13 × 445,209.48
  4. Step 4: Simplify right side
    807,786.74x = 496,275,065,233.23
  5. Step 5: Solve for x
    x = 496,275,065,233.23/807,786.74
  6. Step 6: Final answer
    x = 614,363.96

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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.