Home / 1,313,056.58-1,966,410.68-1,086,751.28

Finding the Fourth Proportional to 1,313,056.58, 1,966,410.68 and 1,086,751.28

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Solution

The fourth proportional to 1,313,056.58, 1,966,410.68 and 1,086,751.28 is: 1,627,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,056.58 : 1,966,410.68 = 1,086,751.28 : x
  2. Step 2: Convert to fraction form
    1,313,056.58/1,966,410.68 = 1,086,751.28/x
  3. Step 3: Cross multiply
    1,313,056.58x = 1,966,410.68 × 1,086,751.28
  4. Step 4: Simplify right side
    1,313,056.58x = 2,136,999,322,977.94
  5. Step 5: Solve for x
    x = 2,136,999,322,977.94/1,313,056.58
  6. Step 6: Final answer
    x = 1,627,499.81

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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.