Home / 1,036,169.40-1,419,557.05-997,338.56

Finding the Fourth Proportional to 1,036,169.40, 1,419,557.05 and 997,338.56

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Solution

The fourth proportional to 1,036,169.40, 1,419,557.05 and 997,338.56 is: 1,366,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,169.40 : 1,419,557.05 = 997,338.56 : x
  2. Step 2: Convert to fraction form
    1,036,169.40/1,419,557.05 = 997,338.56/x
  3. Step 3: Cross multiply
    1,036,169.40x = 1,419,557.05 × 997,338.56
  4. Step 4: Simplify right side
    1,036,169.40x = 1,415,778,984,084.85
  5. Step 5: Solve for x
    x = 1,415,778,984,084.85/1,036,169.40
  6. Step 6: Final answer
    x = 1,366,358.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.