Home / 494,016.48-681,761.82-300,368.58

Finding the Fourth Proportional to 494,016.48, 681,761.82 and 300,368.58

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Solution

The fourth proportional to 494,016.48, 681,761.82 and 300,368.58 is: 414,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,016.48 : 681,761.82 = 300,368.58 : x
  2. Step 2: Convert to fraction form
    494,016.48/681,761.82 = 300,368.58/x
  3. Step 3: Cross multiply
    494,016.48x = 681,761.82 × 300,368.58
  4. Step 4: Simplify right side
    494,016.48x = 204,779,829,771.62
  5. Step 5: Solve for x
    x = 204,779,829,771.62/494,016.48
  6. Step 6: Final answer
    x = 414,520.24

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1.5x scale

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.