Home / 1,384,468.54-1,910,555.47-803,745.55

Finding the Fourth Proportional to 1,384,468.54, 1,910,555.47 and 803,745.55

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Solution

The fourth proportional to 1,384,468.54, 1,910,555.47 and 803,745.55 is: 1,109,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,468.54 : 1,910,555.47 = 803,745.55 : x
  2. Step 2: Convert to fraction form
    1,384,468.54/1,910,555.47 = 803,745.55/x
  3. Step 3: Cross multiply
    1,384,468.54x = 1,910,555.47 × 803,745.55
  4. Step 4: Simplify right side
    1,384,468.54x = 1,535,600,453,021.93
  5. Step 5: Solve for x
    x = 1,535,600,453,021.93/1,384,468.54
  6. Step 6: Final answer
    x = 1,109,162.41

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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.