Home / 1,825,975.32-2,738,427.84-687,916.41

Finding the Fourth Proportional to 1,825,975.32, 2,738,427.84 and 687,916.41

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Solution

The fourth proportional to 1,825,975.32, 2,738,427.84 and 687,916.41 is: 1,031,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,975.32 : 2,738,427.84 = 687,916.41 : x
  2. Step 2: Convert to fraction form
    1,825,975.32/2,738,427.84 = 687,916.41/x
  3. Step 3: Cross multiply
    1,825,975.32x = 2,738,427.84 × 687,916.41
  4. Step 4: Simplify right side
    1,825,975.32x = 1,883,809,448,736.85
  5. Step 5: Solve for x
    x = 1,883,809,448,736.85/1,825,975.32
  6. Step 6: Final answer
    x = 1,031,673.01

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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.