Home / 467,085.28-644,579.65-263,138.64

Finding the Fourth Proportional to 467,085.28, 644,579.65 and 263,138.64

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Solution

The fourth proportional to 467,085.28, 644,579.65 and 263,138.64 is: 363,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,085.28 : 644,579.65 = 263,138.64 : x
  2. Step 2: Convert to fraction form
    467,085.28/644,579.65 = 263,138.64/x
  3. Step 3: Cross multiply
    467,085.28x = 644,579.65 × 263,138.64
  4. Step 4: Simplify right side
    467,085.28x = 169,613,814,614.48
  5. Step 5: Solve for x
    x = 169,613,814,614.48/467,085.28
  6. Step 6: Final answer
    x = 363,132.44

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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.