Home / 446,050.80-669,076.20-313,081.20

Finding the Fourth Proportional to 446,050.80, 669,076.20 and 313,081.20

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Solution

The fourth proportional to 446,050.80, 669,076.20 and 313,081.20 is: 469,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,050.80 : 669,076.20 = 313,081.20 : x
  2. Step 2: Convert to fraction form
    446,050.80/669,076.20 = 313,081.20/x
  3. Step 3: Cross multiply
    446,050.80x = 669,076.20 × 313,081.20
  4. Step 4: Simplify right side
    446,050.80x = 209,475,179,587.44
  5. Step 5: Solve for x
    x = 209,475,179,587.44/446,050.80
  6. Step 6: Final answer
    x = 469,621.80

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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.