Home / 809,591.20-1,214,386.80-573,200.80

Finding the Fourth Proportional to 809,591.20, 1,214,386.80 and 573,200.80

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Solution

The fourth proportional to 809,591.20, 1,214,386.80 and 573,200.80 is: 859,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,591.20 : 1,214,386.80 = 573,200.80 : x
  2. Step 2: Convert to fraction form
    809,591.20/1,214,386.80 = 573,200.80/x
  3. Step 3: Cross multiply
    809,591.20x = 1,214,386.80 × 573,200.80
  4. Step 4: Simplify right side
    809,591.20x = 696,087,485,269.44
  5. Step 5: Solve for x
    x = 696,087,485,269.44/809,591.20
  6. Step 6: Final answer
    x = 859,801.20

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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.