Home / 700,907.72-1,051,361.46-168,428.75

Finding the Fourth Proportional to 700,907.72, 1,051,361.46 and 168,428.75

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Solution

The fourth proportional to 700,907.72, 1,051,361.46 and 168,428.75 is: 252,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,907.72 : 1,051,361.46 = 168,428.75 : x
  2. Step 2: Convert to fraction form
    700,907.72/1,051,361.46 = 168,428.75/x
  3. Step 3: Cross multiply
    700,907.72x = 1,051,361.46 × 168,428.75
  4. Step 4: Simplify right side
    700,907.72x = 177,079,491,249.17
  5. Step 5: Solve for x
    x = 177,079,491,249.17/700,907.72
  6. Step 6: Final answer
    x = 252,643.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.