Home / 706,069.80-1,059,104.70-422,634.60

Finding the Fourth Proportional to 706,069.80, 1,059,104.70 and 422,634.60

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Solution

The fourth proportional to 706,069.80, 1,059,104.70 and 422,634.60 is: 633,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,069.80 : 1,059,104.70 = 422,634.60 : x
  2. Step 2: Convert to fraction form
    706,069.80/1,059,104.70 = 422,634.60/x
  3. Step 3: Cross multiply
    706,069.80x = 1,059,104.70 × 422,634.60
  4. Step 4: Simplify right side
    706,069.80x = 447,614,291,242.62
  5. Step 5: Solve for x
    x = 447,614,291,242.62/706,069.80
  6. Step 6: Final answer
    x = 633,951.90

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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.