Home / 816,771.81-1,225,351.48-277,017.83

Finding the Fourth Proportional to 816,771.81, 1,225,351.48 and 277,017.83

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Solution

The fourth proportional to 816,771.81, 1,225,351.48 and 277,017.83 is: 415,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,771.81 : 1,225,351.48 = 277,017.83 : x
  2. Step 2: Convert to fraction form
    816,771.81/1,225,351.48 = 277,017.83/x
  3. Step 3: Cross multiply
    816,771.81x = 1,225,351.48 × 277,017.83
  4. Step 4: Simplify right side
    816,771.81x = 339,444,207,976.89
  5. Step 5: Solve for x
    x = 339,444,207,976.89/816,771.81
  6. Step 6: Final answer
    x = 415,592.46

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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.