Home / 733,984.60-1,100,976.90-640,672.60

Finding the Fourth Proportional to 733,984.60, 1,100,976.90 and 640,672.60

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Solution

The fourth proportional to 733,984.60, 1,100,976.90 and 640,672.60 is: 961,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,984.60 : 1,100,976.90 = 640,672.60 : x
  2. Step 2: Convert to fraction form
    733,984.60/1,100,976.90 = 640,672.60/x
  3. Step 3: Cross multiply
    733,984.60x = 1,100,976.90 × 640,672.60
  4. Step 4: Simplify right side
    733,984.60x = 705,365,733,062.94
  5. Step 5: Solve for x
    x = 705,365,733,062.94/733,984.60
  6. Step 6: Final answer
    x = 961,008.90

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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.