Home / 1,260,114.38-1,890,361.11-406,900.07

Finding the Fourth Proportional to 1,260,114.38, 1,890,361.11 and 406,900.07

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Solution

The fourth proportional to 1,260,114.38, 1,890,361.11 and 406,900.07 is: 610,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,114.38 : 1,890,361.11 = 406,900.07 : x
  2. Step 2: Convert to fraction form
    1,260,114.38/1,890,361.11 = 406,900.07/x
  3. Step 3: Cross multiply
    1,260,114.38x = 1,890,361.11 × 406,900.07
  4. Step 4: Simplify right side
    1,260,114.38x = 769,188,057,515.22
  5. Step 5: Solve for x
    x = 769,188,057,515.22/1,260,114.38
  6. Step 6: Final answer
    x = 610,411.30

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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.