Home / 1,228,019.26-1,833,394.40-938,314.72

Finding the Fourth Proportional to 1,228,019.26, 1,833,394.40 and 938,314.72

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Solution

The fourth proportional to 1,228,019.26, 1,833,394.40 and 938,314.72 is: 1,400,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,019.26 : 1,833,394.40 = 938,314.72 : x
  2. Step 2: Convert to fraction form
    1,228,019.26/1,833,394.40 = 938,314.72/x
  3. Step 3: Cross multiply
    1,228,019.26x = 1,833,394.40 × 938,314.72
  4. Step 4: Simplify right side
    1,228,019.26x = 1,720,300,950,847.87
  5. Step 5: Solve for x
    x = 1,720,300,950,847.87/1,228,019.26
  6. Step 6: Final answer
    x = 1,400,874.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.