Home / 1,314,127.85-1,813,884.17-770,381.33

Finding the Fourth Proportional to 1,314,127.85, 1,813,884.17 and 770,381.33

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Solution

The fourth proportional to 1,314,127.85, 1,813,884.17 and 770,381.33 is: 1,063,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,127.85 : 1,813,884.17 = 770,381.33 : x
  2. Step 2: Convert to fraction form
    1,314,127.85/1,813,884.17 = 770,381.33/x
  3. Step 3: Cross multiply
    1,314,127.85x = 1,813,884.17 × 770,381.33
  4. Step 4: Simplify right side
    1,314,127.85x = 1,397,382,486,429.22
  5. Step 5: Solve for x
    x = 1,397,382,486,429.22/1,314,127.85
  6. Step 6: Final answer
    x = 1,063,353.53

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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.