Home / 1,421,774.82-1,962,096.93-777,181.14

Finding the Fourth Proportional to 1,421,774.82, 1,962,096.93 and 777,181.14

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Solution

The fourth proportional to 1,421,774.82, 1,962,096.93 and 777,181.14 is: 1,072,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,774.82 : 1,962,096.93 = 777,181.14 : x
  2. Step 2: Convert to fraction form
    1,421,774.82/1,962,096.93 = 777,181.14/x
  3. Step 3: Cross multiply
    1,421,774.82x = 1,962,096.93 × 777,181.14
  4. Step 4: Simplify right side
    1,421,774.82x = 1,524,904,728,847.90
  5. Step 5: Solve for x
    x = 1,524,904,728,847.90/1,421,774.82
  6. Step 6: Final answer
    x = 1,072,536.04

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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.