Home / 505,424.82-697,514.66-276,003.43

Finding the Fourth Proportional to 505,424.82, 697,514.66 and 276,003.43

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Solution

The fourth proportional to 505,424.82, 697,514.66 and 276,003.43 is: 380,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,424.82 : 697,514.66 = 276,003.43 : x
  2. Step 2: Convert to fraction form
    505,424.82/697,514.66 = 276,003.43/x
  3. Step 3: Cross multiply
    505,424.82x = 697,514.66 × 276,003.43
  4. Step 4: Simplify right side
    505,424.82x = 192,516,438,635.28
  5. Step 5: Solve for x
    x = 192,516,438,635.28/505,424.82
  6. Step 6: Final answer
    x = 380,900.25

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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.