Home / 395,297.85-545,511.24-214,009.83

Finding the Fourth Proportional to 395,297.85, 545,511.24 and 214,009.83

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Solution

The fourth proportional to 395,297.85, 545,511.24 and 214,009.83 is: 295,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,297.85 : 545,511.24 = 214,009.83 : x
  2. Step 2: Convert to fraction form
    395,297.85/545,511.24 = 214,009.83/x
  3. Step 3: Cross multiply
    395,297.85x = 545,511.24 × 214,009.83
  4. Step 4: Simplify right side
    395,297.85x = 116,744,767,735.49
  5. Step 5: Solve for x
    x = 116,744,767,735.49/395,297.85
  6. Step 6: Final answer
    x = 295,333.68

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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.