Home / 1,314,106.71-1,813,855.09-770,360.19

Finding the Fourth Proportional to 1,314,106.71, 1,813,855.09 and 770,360.19

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Solution

The fourth proportional to 1,314,106.71, 1,813,855.09 and 770,360.19 is: 1,063,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,106.71 : 1,813,855.09 = 770,360.19 : x
  2. Step 2: Convert to fraction form
    1,314,106.71/1,813,855.09 = 770,360.19/x
  3. Step 3: Cross multiply
    1,314,106.71x = 1,813,855.09 × 770,360.19
  4. Step 4: Simplify right side
    1,314,106.71x = 1,397,321,738,843.79
  5. Step 5: Solve for x
    x = 1,397,321,738,843.79/1,314,106.71
  6. Step 6: Final answer
    x = 1,063,324.41

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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.