Home / 413,239.19-570,230.69-231,909.55

Finding the Fourth Proportional to 413,239.19, 570,230.69 and 231,909.55

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Solution

The fourth proportional to 413,239.19, 570,230.69 and 231,909.55 is: 320,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,239.19 : 570,230.69 = 231,909.55 : x
  2. Step 2: Convert to fraction form
    413,239.19/570,230.69 = 231,909.55/x
  3. Step 3: Cross multiply
    413,239.19x = 570,230.69 × 231,909.55
  4. Step 4: Simplify right side
    413,239.19x = 132,241,940,128.97
  5. Step 5: Solve for x
    x = 132,241,940,128.97/413,239.19
  6. Step 6: Final answer
    x = 320,013.07

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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.