Home / 439,450.80-606,446.77-258,170.28

Finding the Fourth Proportional to 439,450.80, 606,446.77 and 258,170.28

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Solution

The fourth proportional to 439,450.80, 606,446.77 and 258,170.28 is: 356,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,450.80 : 606,446.77 = 258,170.28 : x
  2. Step 2: Convert to fraction form
    439,450.80/606,446.77 = 258,170.28/x
  3. Step 3: Cross multiply
    439,450.80x = 606,446.77 × 258,170.28
  4. Step 4: Simplify right side
    439,450.80x = 156,566,532,416.00
  5. Step 5: Solve for x
    x = 156,566,532,416.00/439,450.80
  6. Step 6: Final answer
    x = 356,277.73

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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.