Home / 880,561.80-1,320,842.70-731,100.60

Finding the Fourth Proportional to 880,561.80, 1,320,842.70 and 731,100.60

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Solution

The fourth proportional to 880,561.80, 1,320,842.70 and 731,100.60 is: 1,096,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,561.80 : 1,320,842.70 = 731,100.60 : x
  2. Step 2: Convert to fraction form
    880,561.80/1,320,842.70 = 731,100.60/x
  3. Step 3: Cross multiply
    880,561.80x = 1,320,842.70 × 731,100.60
  4. Step 4: Simplify right side
    880,561.80x = 965,668,890,475.62
  5. Step 5: Solve for x
    x = 965,668,890,475.62/880,561.80
  6. Step 6: Final answer
    x = 1,096,650.90

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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.