Home / 1,288,170.33-1,932,629.47-519,271.23

Finding the Fourth Proportional to 1,288,170.33, 1,932,629.47 and 519,271.23

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Solution

The fourth proportional to 1,288,170.33, 1,932,629.47 and 519,271.23 is: 779,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,170.33 : 1,932,629.47 = 519,271.23 : x
  2. Step 2: Convert to fraction form
    1,288,170.33/1,932,629.47 = 519,271.23/x
  3. Step 3: Cross multiply
    1,288,170.33x = 1,932,629.47 × 519,271.23
  4. Step 4: Simplify right side
    1,288,170.33x = 1,003,558,882,021.15
  5. Step 5: Solve for x
    x = 1,003,558,882,021.15/1,288,170.33
  6. Step 6: Final answer
    x = 779,057.60

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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.