Home / 470,114.12-648,747.69-255,254.37

Finding the Fourth Proportional to 470,114.12, 648,747.69 and 255,254.37

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Solution

The fourth proportional to 470,114.12, 648,747.69 and 255,254.37 is: 352,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,114.12 : 648,747.69 = 255,254.37 : x
  2. Step 2: Convert to fraction form
    470,114.12/648,747.69 = 255,254.37/x
  3. Step 3: Cross multiply
    470,114.12x = 648,747.69 × 255,254.37
  4. Step 4: Simplify right side
    470,114.12x = 165,595,682,899.91
  5. Step 5: Solve for x
    x = 165,595,682,899.91/470,114.12
  6. Step 6: Final answer
    x = 352,245.72

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1.5x scale

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.