Home / 808,212.20-1,214,651.10-794,215.40

Finding the Fourth Proportional to 808,212.20, 1,214,651.10 and 794,215.40

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Solution

The fourth proportional to 808,212.20, 1,214,651.10 and 794,215.40 is: 1,193,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,212.20 : 1,214,651.10 = 794,215.40 : x
  2. Step 2: Convert to fraction form
    808,212.20/1,214,651.10 = 794,215.40/x
  3. Step 3: Cross multiply
    808,212.20x = 1,214,651.10 × 794,215.40
  4. Step 4: Simplify right side
    808,212.20x = 964,694,609,246.94
  5. Step 5: Solve for x
    x = 964,694,609,246.94/808,212.20
  6. Step 6: Final answer
    x = 1,193,615.50

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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.