Home / 706,150.80-1,059,226.20-422,715.60

Finding the Fourth Proportional to 706,150.80, 1,059,226.20 and 422,715.60

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Solution

The fourth proportional to 706,150.80, 1,059,226.20 and 422,715.60 is: 634,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,150.80 : 1,059,226.20 = 422,715.60 : x
  2. Step 2: Convert to fraction form
    706,150.80/1,059,226.20 = 422,715.60/x
  3. Step 3: Cross multiply
    706,150.80x = 1,059,226.20 × 422,715.60
  4. Step 4: Simplify right side
    706,150.80x = 447,751,438,668.72
  5. Step 5: Solve for x
    x = 447,751,438,668.72/706,150.80
  6. Step 6: Final answer
    x = 634,073.40

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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.