Home / 809,344.20-1,214,016.30-276,688.20

Finding the Fourth Proportional to 809,344.20, 1,214,016.30 and 276,688.20

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Solution

The fourth proportional to 809,344.20, 1,214,016.30 and 276,688.20 is: 415,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,344.20 : 1,214,016.30 = 276,688.20 : x
  2. Step 2: Convert to fraction form
    809,344.20/1,214,016.30 = 276,688.20/x
  3. Step 3: Cross multiply
    809,344.20x = 1,214,016.30 × 276,688.20
  4. Step 4: Simplify right side
    809,344.20x = 335,903,984,817.66
  5. Step 5: Solve for x
    x = 335,903,984,817.66/809,344.20
  6. Step 6: Final answer
    x = 415,032.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 809,345.20, 1,214,017.80 and 276,689.20
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.