Home / 905,162.89-1,357,744.32-231,245.68

Finding the Fourth Proportional to 905,162.89, 1,357,744.32 and 231,245.68

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Solution

The fourth proportional to 905,162.89, 1,357,744.32 and 231,245.68 is: 346,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,162.89 : 1,357,744.32 = 231,245.68 : x
  2. Step 2: Convert to fraction form
    905,162.89/1,357,744.32 = 231,245.68/x
  3. Step 3: Cross multiply
    905,162.89x = 1,357,744.32 × 231,245.68
  4. Step 4: Simplify right side
    905,162.89x = 313,972,508,544.54
  5. Step 5: Solve for x
    x = 313,972,508,544.54/905,162.89
  6. Step 6: Final answer
    x = 346,868.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.