Home / 809,828.82-1,117,572.21-447,261.89

Finding the Fourth Proportional to 809,828.82, 1,117,572.21 and 447,261.89

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Solution

The fourth proportional to 809,828.82, 1,117,572.21 and 447,261.89 is: 617,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,828.82 : 1,117,572.21 = 447,261.89 : x
  2. Step 2: Convert to fraction form
    809,828.82/1,117,572.21 = 447,261.89/x
  3. Step 3: Cross multiply
    809,828.82x = 1,117,572.21 × 447,261.89
  4. Step 4: Simplify right side
    809,828.82x = 499,847,453,268.22
  5. Step 5: Solve for x
    x = 499,847,453,268.22/809,828.82
  6. Step 6: Final answer
    x = 617,226.06

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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.