Home / 1,038,183.90-1,554,323.40-800,019.60

Finding the Fourth Proportional to 1,038,183.90, 1,554,323.40 and 800,019.60

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Solution

The fourth proportional to 1,038,183.90, 1,554,323.40 and 800,019.60 is: 1,197,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,183.90 : 1,554,323.40 = 800,019.60 : x
  2. Step 2: Convert to fraction form
    1,038,183.90/1,554,323.40 = 800,019.60/x
  3. Step 3: Cross multiply
    1,038,183.90x = 1,554,323.40 × 800,019.60
  4. Step 4: Simplify right side
    1,038,183.90x = 1,243,489,184,738.64
  5. Step 5: Solve for x
    x = 1,243,489,184,738.64/1,038,183.90
  6. Step 6: Final answer
    x = 1,197,754.26

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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.