Home / 673,990.40-1,010,704.53-274,359.89

Finding the Fourth Proportional to 673,990.40, 1,010,704.53 and 274,359.89

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Solution

The fourth proportional to 673,990.40, 1,010,704.53 and 274,359.89 is: 411,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,990.40 : 1,010,704.53 = 274,359.89 : x
  2. Step 2: Convert to fraction form
    673,990.40/1,010,704.53 = 274,359.89/x
  3. Step 3: Cross multiply
    673,990.40x = 1,010,704.53 × 274,359.89
  4. Step 4: Simplify right side
    673,990.40x = 277,296,783,673.30
  5. Step 5: Solve for x
    x = 277,296,783,673.30/673,990.40
  6. Step 6: Final answer
    x = 411,425.42

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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.