Home / 929,127.60-1,392,750.12-629,638.56

Finding the Fourth Proportional to 929,127.60, 1,392,750.12 and 629,638.56

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Solution

The fourth proportional to 929,127.60, 1,392,750.12 and 629,638.56 is: 943,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127.60 : 1,392,750.12 = 629,638.56 : x
  2. Step 2: Convert to fraction form
    929,127.60/1,392,750.12 = 629,638.56/x
  3. Step 3: Cross multiply
    929,127.60x = 1,392,750.12 × 629,638.56
  4. Step 4: Simplify right side
    929,127.60x = 876,929,179,996.63
  5. Step 5: Solve for x
    x = 876,929,179,996.63/929,127.60
  6. Step 6: Final answer
    x = 943,819.97

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1.5x scale

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.