Home / 470,542.10-649,352.21-255,682.16

Finding the Fourth Proportional to 470,542.10, 649,352.21 and 255,682.16

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Solution

The fourth proportional to 470,542.10, 649,352.21 and 255,682.16 is: 352,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,542.10 : 649,352.21 = 255,682.16 : x
  2. Step 2: Convert to fraction form
    470,542.10/649,352.21 = 255,682.16/x
  3. Step 3: Cross multiply
    470,542.10x = 649,352.21 × 255,682.16
  4. Step 4: Simplify right side
    470,542.10x = 166,027,773,563.47
  5. Step 5: Solve for x
    x = 166,027,773,563.47/470,542.10
  6. Step 6: Final answer
    x = 352,843.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.