Home / 809,219.80-1,215,141.90-586,145.80

Finding the Fourth Proportional to 809,219.80, 1,215,141.90 and 586,145.80

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Solution

The fourth proportional to 809,219.80, 1,215,141.90 and 586,145.80 is: 880,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,219.80 : 1,215,141.90 = 586,145.80 : x
  2. Step 2: Convert to fraction form
    809,219.80/1,215,141.90 = 586,145.80/x
  3. Step 3: Cross multiply
    809,219.80x = 1,215,141.90 × 586,145.80
  4. Step 4: Simplify right side
    809,219.80x = 712,250,321,089.02
  5. Step 5: Solve for x
    x = 712,250,321,089.02/809,219.80
  6. Step 6: Final answer
    x = 880,169.17

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Double scale
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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.