Home / 673,749.16-929,771.94-371,941

Finding the Fourth Proportional to 673,749.16, 929,771.94 and 371,941

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Solution

The fourth proportional to 673,749.16, 929,771.94 and 371,941 is: 513,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,749.16 : 929,771.94 = 371,941 : x
  2. Step 2: Convert to fraction form
    673,749.16/929,771.94 = 371,941/x
  3. Step 3: Cross multiply
    673,749.16x = 929,771.94 × 371,941
  4. Step 4: Simplify right side
    673,749.16x = 345,820,305,135.54
  5. Step 5: Solve for x
    x = 345,820,305,135.54/673,749.16
  6. Step 6: Final answer
    x = 513,277.53

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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.