Home / 1,217,751.70-1,680,456-673,910.44

Finding the Fourth Proportional to 1,217,751.70, 1,680,456 and 673,910.44

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Solution

The fourth proportional to 1,217,751.70, 1,680,456 and 673,910.44 is: 929,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,751.70 : 1,680,456 = 673,910.44 : x
  2. Step 2: Convert to fraction form
    1,217,751.70/1,680,456 = 673,910.44/x
  3. Step 3: Cross multiply
    1,217,751.70x = 1,680,456 × 673,910.44
  4. Step 4: Simplify right side
    1,217,751.70x = 1,132,476,842,360.64
  5. Step 5: Solve for x
    x = 1,132,476,842,360.64/1,217,751.70
  6. Step 6: Final answer
    x = 929,973.53

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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.