Home / 1,101,782.88-1,519,893.72-734,891.76

Finding the Fourth Proportional to 1,101,782.88, 1,519,893.72 and 734,891.76

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Solution

The fourth proportional to 1,101,782.88, 1,519,893.72 and 734,891.76 is: 1,013,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,782.88 : 1,519,893.72 = 734,891.76 : x
  2. Step 2: Convert to fraction form
    1,101,782.88/1,519,893.72 = 734,891.76/x
  3. Step 3: Cross multiply
    1,101,782.88x = 1,519,893.72 × 734,891.76
  4. Step 4: Simplify right side
    1,101,782.88x = 1,116,957,370,903.75
  5. Step 5: Solve for x
    x = 1,116,957,370,903.75/1,101,782.88
  6. Step 6: Final answer
    x = 1,013,772.67

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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.