Home / 1,397,577.40-1,928,096.82-881,161.48

Finding the Fourth Proportional to 1,397,577.40, 1,928,096.82 and 881,161.48

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Solution

The fourth proportional to 1,397,577.40, 1,928,096.82 and 881,161.48 is: 1,215,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,577.40 : 1,928,096.82 = 881,161.48 : x
  2. Step 2: Convert to fraction form
    1,397,577.40/1,928,096.82 = 881,161.48/x
  3. Step 3: Cross multiply
    1,397,577.40x = 1,928,096.82 × 881,161.48
  4. Step 4: Simplify right side
    1,397,577.40x = 1,698,964,647,494.49
  5. Step 5: Solve for x
    x = 1,698,964,647,494.49/1,397,577.40
  6. Step 6: Final answer
    x = 1,215,649.77

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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.