Home / 395,488.49-545,771.40-214,196.27

Finding the Fourth Proportional to 395,488.49, 545,771.40 and 214,196.27

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Solution

The fourth proportional to 395,488.49, 545,771.40 and 214,196.27 is: 295,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,488.49 : 545,771.40 = 214,196.27 : x
  2. Step 2: Convert to fraction form
    395,488.49/545,771.40 = 214,196.27/x
  3. Step 3: Cross multiply
    395,488.49x = 545,771.40 × 214,196.27
  4. Step 4: Simplify right side
    395,488.49x = 116,902,198,152.68
  5. Step 5: Solve for x
    x = 116,902,198,152.68/395,488.49
  6. Step 6: Final answer
    x = 295,589.38

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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.