Home / 929,126.82-1,392,749.28-629,637.96

Finding the Fourth Proportional to 929,126.82, 1,392,749.28 and 629,637.96

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Solution

The fourth proportional to 929,126.82, 1,392,749.28 and 629,637.96 is: 943,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,126.82 : 1,392,749.28 = 629,637.96 : x
  2. Step 2: Convert to fraction form
    929,126.82/1,392,749.28 = 629,637.96/x
  3. Step 3: Cross multiply
    929,126.82x = 1,392,749.28 × 629,637.96
  4. Step 4: Simplify right side
    929,126.82x = 876,927,815,450.67
  5. Step 5: Solve for x
    x = 876,927,815,450.67/929,126.82
  6. Step 6: Final answer
    x = 943,819.29

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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.