Home / 682,786.20-1,024,179.30-470,209.80

Finding the Fourth Proportional to 682,786.20, 1,024,179.30 and 470,209.80

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Solution

The fourth proportional to 682,786.20, 1,024,179.30 and 470,209.80 is: 705,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,786.20 : 1,024,179.30 = 470,209.80 : x
  2. Step 2: Convert to fraction form
    682,786.20/1,024,179.30 = 470,209.80/x
  3. Step 3: Cross multiply
    682,786.20x = 1,024,179.30 × 470,209.80
  4. Step 4: Simplify right side
    682,786.20x = 481,579,143,817.14
  5. Step 5: Solve for x
    x = 481,579,143,817.14/682,786.20
  6. Step 6: Final answer
    x = 705,314.70

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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.