Home / 908,198.56-1,253,352.90-505,790.56

Finding the Fourth Proportional to 908,198.56, 1,253,352.90 and 505,790.56

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Solution

The fourth proportional to 908,198.56, 1,253,352.90 and 505,790.56 is: 698,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,198.56 : 1,253,352.90 = 505,790.56 : x
  2. Step 2: Convert to fraction form
    908,198.56/1,253,352.90 = 505,790.56/x
  3. Step 3: Cross multiply
    908,198.56x = 1,253,352.90 × 505,790.56
  4. Step 4: Simplify right side
    908,198.56x = 633,934,065,168.62
  5. Step 5: Solve for x
    x = 633,934,065,168.62/908,198.56
  6. Step 6: Final answer
    x = 698,012.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.