Home / 863,007.66-1,297,349.36-800,581.40

Finding the Fourth Proportional to 863,007.66, 1,297,349.36 and 800,581.40

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Solution

The fourth proportional to 863,007.66, 1,297,349.36 and 800,581.40 is: 1,203,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,007.66 : 1,297,349.36 = 800,581.40 : x
  2. Step 2: Convert to fraction form
    863,007.66/1,297,349.36 = 800,581.40/x
  3. Step 3: Cross multiply
    863,007.66x = 1,297,349.36 × 800,581.40
  4. Step 4: Simplify right side
    863,007.66x = 1,038,633,766,917.90
  5. Step 5: Solve for x
    x = 1,038,633,766,917.90/863,007.66
  6. Step 6: Final answer
    x = 1,203,504.69

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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.