Home / 1,314,106.96-1,813,855.43-770,360.44

Finding the Fourth Proportional to 1,314,106.96, 1,813,855.43 and 770,360.44

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Solution

The fourth proportional to 1,314,106.96, 1,813,855.43 and 770,360.44 is: 1,063,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,106.96 : 1,813,855.43 = 770,360.44 : x
  2. Step 2: Convert to fraction form
    1,314,106.96/1,813,855.43 = 770,360.44/x
  3. Step 3: Cross multiply
    1,314,106.96x = 1,813,855.43 × 770,360.44
  4. Step 4: Simplify right side
    1,314,106.96x = 1,397,322,467,151.19
  5. Step 5: Solve for x
    x = 1,397,322,467,151.19/1,314,106.96
  6. Step 6: Final answer
    x = 1,063,324.76

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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.