Home / 1,419,019.20-1,958,264.64-838,261.44

Finding the Fourth Proportional to 1,419,019.20, 1,958,264.64 and 838,261.44

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Solution

The fourth proportional to 1,419,019.20, 1,958,264.64 and 838,261.44 is: 1,156,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,019.20 : 1,958,264.64 = 838,261.44 : x
  2. Step 2: Convert to fraction form
    1,419,019.20/1,958,264.64 = 838,261.44/x
  3. Step 3: Cross multiply
    1,419,019.20x = 1,958,264.64 × 838,261.44
  4. Step 4: Simplify right side
    1,419,019.20x = 1,641,537,737,027.48
  5. Step 5: Solve for x
    x = 1,641,537,737,027.48/1,419,019.20
  6. Step 6: Final answer
    x = 1,156,811.51

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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.