Home / 439,440.12-606,422.09-258,168.60

Finding the Fourth Proportional to 439,440.12, 606,422.09 and 258,168.60

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Solution

The fourth proportional to 439,440.12, 606,422.09 and 258,168.60 is: 356,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,440.12 : 606,422.09 = 258,168.60 : x
  2. Step 2: Convert to fraction form
    439,440.12/606,422.09 = 258,168.60/x
  3. Step 3: Cross multiply
    439,440.12x = 606,422.09 × 258,168.60
  4. Step 4: Simplify right side
    439,440.12x = 156,559,142,629.80
  5. Step 5: Solve for x
    x = 156,559,142,629.80/439,440.12
  6. Step 6: Final answer
    x = 356,269.57

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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.