Home / 413,187.12-570,209.58-231,910.32

Finding the Fourth Proportional to 413,187.12, 570,209.58 and 231,910.32

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Solution

The fourth proportional to 413,187.12, 570,209.58 and 231,910.32 is: 320,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,187.12 : 570,209.58 = 231,910.32 : x
  2. Step 2: Convert to fraction form
    413,187.12/570,209.58 = 231,910.32/x
  3. Step 3: Cross multiply
    413,187.12x = 570,209.58 × 231,910.32
  4. Step 4: Simplify right side
    413,187.12x = 132,237,486,164.87
  5. Step 5: Solve for x
    x = 132,237,486,164.87/413,187.12
  6. Step 6: Final answer
    x = 320,042.61

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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.