Home / 439,229.76-606,137.04-238,025.76

Finding the Fourth Proportional to 439,229.76, 606,137.04 and 238,025.76

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Solution

The fourth proportional to 439,229.76, 606,137.04 and 238,025.76 is: 328,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,229.76 : 606,137.04 = 238,025.76 : x
  2. Step 2: Convert to fraction form
    439,229.76/606,137.04 = 238,025.76/x
  3. Step 3: Cross multiply
    439,229.76x = 606,137.04 × 238,025.76
  4. Step 4: Simplify right side
    439,229.76x = 144,276,229,610.15
  5. Step 5: Solve for x
    x = 144,276,229,610.15/439,229.76
  6. Step 6: Final answer
    x = 328,475.53

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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.