Home / 1,370,450.66-1,891,938.21-854,361.86

Finding the Fourth Proportional to 1,370,450.66, 1,891,938.21 and 854,361.86

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Solution

The fourth proportional to 1,370,450.66, 1,891,938.21 and 854,361.86 is: 1,179,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,450.66 : 1,891,938.21 = 854,361.86 : x
  2. Step 2: Convert to fraction form
    1,370,450.66/1,891,938.21 = 854,361.86/x
  3. Step 3: Cross multiply
    1,370,450.66x = 1,891,938.21 × 854,361.86
  4. Step 4: Simplify right side
    1,370,450.66x = 1,616,399,848,100.67
  5. Step 5: Solve for x
    x = 1,616,399,848,100.67/1,370,450.66
  6. Step 6: Final answer
    x = 1,179,465.92

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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.