Home / 673,864.20-1,010,504.70-274,372.20

Finding the Fourth Proportional to 673,864.20, 1,010,504.70 and 274,372.20

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Solution

The fourth proportional to 673,864.20, 1,010,504.70 and 274,372.20 is: 411,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,864.20 : 1,010,504.70 = 274,372.20 : x
  2. Step 2: Convert to fraction form
    673,864.20/1,010,504.70 = 274,372.20/x
  3. Step 3: Cross multiply
    673,864.20x = 1,010,504.70 × 274,372.20
  4. Step 4: Simplify right side
    673,864.20x = 277,254,397,649.34
  5. Step 5: Solve for x
    x = 277,254,397,649.34/673,864.20
  6. Step 6: Final answer
    x = 411,439.57

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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.