Home / 465,629.20-699,480.60-446,736.40

Finding the Fourth Proportional to 465,629.20, 699,480.60 and 446,736.40

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Solution

The fourth proportional to 465,629.20, 699,480.60 and 446,736.40 is: 671,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,629.20 : 699,480.60 = 446,736.40 : x
  2. Step 2: Convert to fraction form
    465,629.20/699,480.60 = 446,736.40/x
  3. Step 3: Cross multiply
    465,629.20x = 699,480.60 × 446,736.40
  4. Step 4: Simplify right side
    465,629.20x = 312,483,445,113.84
  5. Step 5: Solve for x
    x = 312,483,445,113.84/465,629.20
  6. Step 6: Final answer
    x = 671,099.33

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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.