Home / 481,386.72-664,323.80-263,604.54

Finding the Fourth Proportional to 481,386.72, 664,323.80 and 263,604.54

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Solution

The fourth proportional to 481,386.72, 664,323.80 and 263,604.54 is: 363,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,386.72 : 664,323.80 = 263,604.54 : x
  2. Step 2: Convert to fraction form
    481,386.72/664,323.80 = 263,604.54/x
  3. Step 3: Cross multiply
    481,386.72x = 664,323.80 × 263,604.54
  4. Step 4: Simplify right side
    481,386.72x = 175,118,769,710.05
  5. Step 5: Solve for x
    x = 175,118,769,710.05/481,386.72
  6. Step 6: Final answer
    x = 363,779.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.