Home / 694,682.20-1,042,023.30-526,720.60

Finding the Fourth Proportional to 694,682.20, 1,042,023.30 and 526,720.60

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Solution

The fourth proportional to 694,682.20, 1,042,023.30 and 526,720.60 is: 790,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,682.20 : 1,042,023.30 = 526,720.60 : x
  2. Step 2: Convert to fraction form
    694,682.20/1,042,023.30 = 526,720.60/x
  3. Step 3: Cross multiply
    694,682.20x = 1,042,023.30 × 526,720.60
  4. Step 4: Simplify right side
    694,682.20x = 548,855,137,789.98
  5. Step 5: Solve for x
    x = 548,855,137,789.98/694,682.20
  6. Step 6: Final answer
    x = 790,080.90

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Double scale
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Similar ratio
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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.