Home / 439,738.20-659,607.30-253,114.20

Finding the Fourth Proportional to 439,738.20, 659,607.30 and 253,114.20

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Solution

The fourth proportional to 439,738.20, 659,607.30 and 253,114.20 is: 379,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,738.20 : 659,607.30 = 253,114.20 : x
  2. Step 2: Convert to fraction form
    439,738.20/659,607.30 = 253,114.20/x
  3. Step 3: Cross multiply
    439,738.20x = 659,607.30 × 253,114.20
  4. Step 4: Simplify right side
    439,738.20x = 166,955,974,053.66
  5. Step 5: Solve for x
    x = 166,955,974,053.66/439,738.20
  6. Step 6: Final answer
    x = 379,671.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.