Home / 682,800.60-1,024,200.90-470,224.20

Finding the Fourth Proportional to 682,800.60, 1,024,200.90 and 470,224.20

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Solution

The fourth proportional to 682,800.60, 1,024,200.90 and 470,224.20 is: 705,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,800.60 : 1,024,200.90 = 470,224.20 : x
  2. Step 2: Convert to fraction form
    682,800.60/1,024,200.90 = 470,224.20/x
  3. Step 3: Cross multiply
    682,800.60x = 1,024,200.90 × 470,224.20
  4. Step 4: Simplify right side
    682,800.60x = 481,604,048,841.78
  5. Step 5: Solve for x
    x = 481,604,048,841.78/682,800.60
  6. Step 6: Final answer
    x = 705,336.30

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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.