Home / 822,735.12-1,233,074.34-396,191.45

Finding the Fourth Proportional to 822,735.12, 1,233,074.34 and 396,191.45

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Solution

The fourth proportional to 822,735.12, 1,233,074.34 and 396,191.45 is: 593,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,735.12 : 1,233,074.34 = 396,191.45 : x
  2. Step 2: Convert to fraction form
    822,735.12/1,233,074.34 = 396,191.45/x
  3. Step 3: Cross multiply
    822,735.12x = 1,233,074.34 × 396,191.45
  4. Step 4: Simplify right side
    822,735.12x = 488,533,513,805.08
  5. Step 5: Solve for x
    x = 488,533,513,805.08/822,735.12
  6. Step 6: Final answer
    x = 593,791.97

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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.