Home / 589,986.52-814,179.90-321,714.52

Finding the Fourth Proportional to 589,986.52, 814,179.90 and 321,714.52

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Solution

The fourth proportional to 589,986.52, 814,179.90 and 321,714.52 is: 443,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,986.52 : 814,179.90 = 321,714.52 : x
  2. Step 2: Convert to fraction form
    589,986.52/814,179.90 = 321,714.52/x
  3. Step 3: Cross multiply
    589,986.52x = 814,179.90 × 321,714.52
  4. Step 4: Simplify right side
    589,986.52x = 261,933,495,722.15
  5. Step 5: Solve for x
    x = 261,933,495,722.15/589,986.52
  6. Step 6: Final answer
    x = 443,965.22

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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.