Home / 682,790.80-1,024,186.20-470,214.40

Finding the Fourth Proportional to 682,790.80, 1,024,186.20 and 470,214.40

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Solution

The fourth proportional to 682,790.80, 1,024,186.20 and 470,214.40 is: 705,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,790.80 : 1,024,186.20 = 470,214.40 : x
  2. Step 2: Convert to fraction form
    682,790.80/1,024,186.20 = 470,214.40/x
  3. Step 3: Cross multiply
    682,790.80x = 1,024,186.20 × 470,214.40
  4. Step 4: Simplify right side
    682,790.80x = 481,587,099,521.28
  5. Step 5: Solve for x
    x = 481,587,099,521.28/682,790.80
  6. Step 6: Final answer
    x = 705,321.60

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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.