Home / 446,738.60-670,226.70-193,910.60

Finding the Fourth Proportional to 446,738.60, 670,226.70 and 193,910.60

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Solution

The fourth proportional to 446,738.60, 670,226.70 and 193,910.60 is: 290,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,738.60 : 670,226.70 = 193,910.60 : x
  2. Step 2: Convert to fraction form
    446,738.60/670,226.70 = 193,910.60/x
  3. Step 3: Cross multiply
    446,738.60x = 670,226.70 × 193,910.60
  4. Step 4: Simplify right side
    446,738.60x = 129,964,061,533.02
  5. Step 5: Solve for x
    x = 129,964,061,533.02/446,738.60
  6. Step 6: Final answer
    x = 290,917.47

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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.