Home / 851,107.44-1,276,704.90-220,026.72

Finding the Fourth Proportional to 851,107.44, 1,276,704.90 and 220,026.72

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Solution

The fourth proportional to 851,107.44, 1,276,704.90 and 220,026.72 is: 330,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,107.44 : 1,276,704.90 = 220,026.72 : x
  2. Step 2: Convert to fraction form
    851,107.44/1,276,704.90 = 220,026.72/x
  3. Step 3: Cross multiply
    851,107.44x = 1,276,704.90 × 220,026.72
  4. Step 4: Simplify right side
    851,107.44x = 280,909,191,554.93
  5. Step 5: Solve for x
    x = 280,909,191,554.93/851,107.44
  6. Step 6: Final answer
    x = 330,051.39

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Double scale
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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.