Home / 768,116.20-1,151,828.70-294,644.20

Finding the Fourth Proportional to 768,116.20, 1,151,828.70 and 294,644.20

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Solution

The fourth proportional to 768,116.20, 1,151,828.70 and 294,644.20 is: 441,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,116.20 : 1,151,828.70 = 294,644.20 : x
  2. Step 2: Convert to fraction form
    768,116.20/1,151,828.70 = 294,644.20/x
  3. Step 3: Cross multiply
    768,116.20x = 1,151,828.70 × 294,644.20
  4. Step 4: Simplify right side
    768,116.20x = 339,379,645,848.54
  5. Step 5: Solve for x
    x = 339,379,645,848.54/768,116.20
  6. Step 6: Final answer
    x = 441,833.73

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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.