Home / 1,419,814.17-1,959,422.94-775,294.20

Finding the Fourth Proportional to 1,419,814.17, 1,959,422.94 and 775,294.20

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Solution

The fourth proportional to 1,419,814.17, 1,959,422.94 and 775,294.20 is: 1,069,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,814.17 : 1,959,422.94 = 775,294.20 : x
  2. Step 2: Convert to fraction form
    1,419,814.17/1,959,422.94 = 775,294.20/x
  3. Step 3: Cross multiply
    1,419,814.17x = 1,959,422.94 × 775,294.20
  4. Step 4: Simplify right side
    1,419,814.17x = 1,519,129,240,728.95
  5. Step 5: Solve for x
    x = 1,519,129,240,728.95/1,419,814.17
  6. Step 6: Final answer
    x = 1,069,949.34

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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.