Home / 439,560.09-606,711.20-258,393.42

Finding the Fourth Proportional to 439,560.09, 606,711.20 and 258,393.42

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Solution

The fourth proportional to 439,560.09, 606,711.20 and 258,393.42 is: 356,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,560.09 : 606,711.20 = 258,393.42 : x
  2. Step 2: Convert to fraction form
    439,560.09/606,711.20 = 258,393.42/x
  3. Step 3: Cross multiply
    439,560.09x = 606,711.20 × 258,393.42
  4. Step 4: Simplify right side
    439,560.09x = 156,770,180,628.34
  5. Step 5: Solve for x
    x = 156,770,180,628.34/439,560.09
  6. Step 6: Final answer
    x = 356,652.44

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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.