Home / 603,749.20-905,623.80-404,683.60

Finding the Fourth Proportional to 603,749.20, 905,623.80 and 404,683.60

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Solution

The fourth proportional to 603,749.20, 905,623.80 and 404,683.60 is: 607,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,749.20 : 905,623.80 = 404,683.60 : x
  2. Step 2: Convert to fraction form
    603,749.20/905,623.80 = 404,683.60/x
  3. Step 3: Cross multiply
    603,749.20x = 905,623.80 × 404,683.60
  4. Step 4: Simplify right side
    603,749.20x = 366,491,099,629.68
  5. Step 5: Solve for x
    x = 366,491,099,629.68/603,749.20
  6. Step 6: Final answer
    x = 607,025.40

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1.5x scale

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.