Home / 1,410,712.22-1,946,782.38-766,132.58

Finding the Fourth Proportional to 1,410,712.22, 1,946,782.38 and 766,132.58

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Solution

The fourth proportional to 1,410,712.22, 1,946,782.38 and 766,132.58 is: 1,057,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,712.22 : 1,946,782.38 = 766,132.58 : x
  2. Step 2: Convert to fraction form
    1,410,712.22/1,946,782.38 = 766,132.58/x
  3. Step 3: Cross multiply
    1,410,712.22x = 1,946,782.38 × 766,132.58
  4. Step 4: Simplify right side
    1,410,712.22x = 1,491,493,407,487.94
  5. Step 5: Solve for x
    x = 1,491,493,407,487.94/1,410,712.22
  6. Step 6: Final answer
    x = 1,057,262.70

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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.