Home / 905,322.74-1,357,773.42-336,971.51

Finding the Fourth Proportional to 905,322.74, 1,357,773.42 and 336,971.51

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Solution

The fourth proportional to 905,322.74, 1,357,773.42 and 336,971.51 is: 505,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,322.74 : 1,357,773.42 = 336,971.51 : x
  2. Step 2: Convert to fraction form
    905,322.74/1,357,773.42 = 336,971.51/x
  3. Step 3: Cross multiply
    905,322.74x = 1,357,773.42 × 336,971.51
  4. Step 4: Simplify right side
    905,322.74x = 457,530,952,786.40
  5. Step 5: Solve for x
    x = 457,530,952,786.40/905,322.74
  6. Step 6: Final answer
    x = 505,378.84

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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.