Home / 908,195.85-1,253,245.53-540,653.49

Finding the Fourth Proportional to 908,195.85, 1,253,245.53 and 540,653.49

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Solution

The fourth proportional to 908,195.85, 1,253,245.53 and 540,653.49 is: 746,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,195.85 : 1,253,245.53 = 540,653.49 : x
  2. Step 2: Convert to fraction form
    908,195.85/1,253,245.53 = 540,653.49/x
  3. Step 3: Cross multiply
    908,195.85x = 1,253,245.53 × 540,653.49
  4. Step 4: Simplify right side
    908,195.85x = 677,571,569,621.40
  5. Step 5: Solve for x
    x = 677,571,569,621.40/908,195.85
  6. Step 6: Final answer
    x = 746,063.27

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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.