Home / 644,593.48-882,662.16-619,183.78

Finding the Fourth Proportional to 644,593.48, 882,662.16 and 619,183.78

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Solution

The fourth proportional to 644,593.48, 882,662.16 and 619,183.78 is: 847,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,593.48 : 882,662.16 = 619,183.78 : x
  2. Step 2: Convert to fraction form
    644,593.48/882,662.16 = 619,183.78/x
  3. Step 3: Cross multiply
    644,593.48x = 882,662.16 × 619,183.78
  4. Step 4: Simplify right side
    644,593.48x = 546,530,092,691.77
  5. Step 5: Solve for x
    x = 546,530,092,691.77/644,593.48
  6. Step 6: Final answer
    x = 847,867.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.