Home / 809,927.20-1,214,890.80-573,536.80

Finding the Fourth Proportional to 809,927.20, 1,214,890.80 and 573,536.80

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Solution

The fourth proportional to 809,927.20, 1,214,890.80 and 573,536.80 is: 860,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,927.20 : 1,214,890.80 = 573,536.80 : x
  2. Step 2: Convert to fraction form
    809,927.20/1,214,890.80 = 573,536.80/x
  3. Step 3: Cross multiply
    809,927.20x = 1,214,890.80 × 573,536.80
  4. Step 4: Simplify right side
    809,927.20x = 696,784,581,781.44
  5. Step 5: Solve for x
    x = 696,784,581,781.44/809,927.20
  6. Step 6: Final answer
    x = 860,305.20

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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.