Home / 746,711.10-1,120,070.70-185,745.60

Finding the Fourth Proportional to 746,711.10, 1,120,070.70 and 185,745.60

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Solution

The fourth proportional to 746,711.10, 1,120,070.70 and 185,745.60 is: 278,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,711.10 : 1,120,070.70 = 185,745.60 : x
  2. Step 2: Convert to fraction form
    746,711.10/1,120,070.70 = 185,745.60/x
  3. Step 3: Cross multiply
    746,711.10x = 1,120,070.70 × 185,745.60
  4. Step 4: Simplify right side
    746,711.10x = 208,048,204,213.92
  5. Step 5: Solve for x
    x = 208,048,204,213.92/746,711.10
  6. Step 6: Final answer
    x = 278,619.41

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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.