Home / 809,731.20-1,214,596.80-277,204.80

Finding the Fourth Proportional to 809,731.20, 1,214,596.80 and 277,204.80

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Solution

The fourth proportional to 809,731.20, 1,214,596.80 and 277,204.80 is: 415,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,731.20 : 1,214,596.80 = 277,204.80 : x
  2. Step 2: Convert to fraction form
    809,731.20/1,214,596.80 = 277,204.80/x
  3. Step 3: Cross multiply
    809,731.20x = 1,214,596.80 × 277,204.80
  4. Step 4: Simplify right side
    809,731.20x = 336,692,063,024.64
  5. Step 5: Solve for x
    x = 336,692,063,024.64/809,731.20
  6. Step 6: Final answer
    x = 415,807.20

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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.