Home / 1,112,963.63-1,535,889.87-629,518.37

Finding the Fourth Proportional to 1,112,963.63, 1,535,889.87 and 629,518.37

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Solution

The fourth proportional to 1,112,963.63, 1,535,889.87 and 629,518.37 is: 868,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,963.63 : 1,535,889.87 = 629,518.37 : x
  2. Step 2: Convert to fraction form
    1,112,963.63/1,535,889.87 = 629,518.37/x
  3. Step 3: Cross multiply
    1,112,963.63x = 1,535,889.87 × 629,518.37
  4. Step 4: Simplify right side
    1,112,963.63x = 966,870,879,782.46
  5. Step 5: Solve for x
    x = 966,870,879,782.46/1,112,963.63
  6. Step 6: Final answer
    x = 868,735.38

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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.