Home / 1,419,786.84-1,959,291-775,205.04

Finding the Fourth Proportional to 1,419,786.84, 1,959,291 and 775,205.04

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Solution

The fourth proportional to 1,419,786.84, 1,959,291 and 775,205.04 is: 1,069,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,786.84 : 1,959,291 = 775,205.04 : x
  2. Step 2: Convert to fraction form
    1,419,786.84/1,959,291 = 775,205.04/x
  3. Step 3: Cross multiply
    1,419,786.84x = 1,959,291 × 775,205.04
  4. Step 4: Simplify right side
    1,419,786.84x = 1,518,852,258,026.64
  5. Step 5: Solve for x
    x = 1,518,852,258,026.64/1,419,786.84
  6. Step 6: Final answer
    x = 1,069,774.85

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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.