Home / 446,035.20-668,145.60-277,036.80

Finding the Fourth Proportional to 446,035.20, 668,145.60 and 277,036.80

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Solution

The fourth proportional to 446,035.20, 668,145.60 and 277,036.80 is: 414,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,035.20 : 668,145.60 = 277,036.80 : x
  2. Step 2: Convert to fraction form
    446,035.20/668,145.60 = 277,036.80/x
  3. Step 3: Cross multiply
    446,035.20x = 668,145.60 × 277,036.80
  4. Step 4: Simplify right side
    446,035.20x = 185,100,918,958.08
  5. Step 5: Solve for x
    x = 185,100,918,958.08/446,035.20
  6. Step 6: Final answer
    x = 414,991.73

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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.