Home / 877,067.70-1,315,601.55-823,923.60

Finding the Fourth Proportional to 877,067.70, 1,315,601.55 and 823,923.60

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Solution

The fourth proportional to 877,067.70, 1,315,601.55 and 823,923.60 is: 1,235,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,067.70 : 1,315,601.55 = 823,923.60 : x
  2. Step 2: Convert to fraction form
    877,067.70/1,315,601.55 = 823,923.60/x
  3. Step 3: Cross multiply
    877,067.70x = 1,315,601.55 × 823,923.60
  4. Step 4: Simplify right side
    877,067.70x = 1,083,955,165,241.58
  5. Step 5: Solve for x
    x = 1,083,955,165,241.58/877,067.70
  6. Step 6: Final answer
    x = 1,235,885.40

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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.