Home / 1,112,907.96-1,535,847.75-629,463.66

Finding the Fourth Proportional to 1,112,907.96, 1,535,847.75 and 629,463.66

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Solution

The fourth proportional to 1,112,907.96, 1,535,847.75 and 629,463.66 is: 868,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,907.96 : 1,535,847.75 = 629,463.66 : x
  2. Step 2: Convert to fraction form
    1,112,907.96/1,535,847.75 = 629,463.66/x
  3. Step 3: Cross multiply
    1,112,907.96x = 1,535,847.75 × 629,463.66
  4. Step 4: Simplify right side
    1,112,907.96x = 966,760,345,917.77
  5. Step 5: Solve for x
    x = 966,760,345,917.77/1,112,907.96
  6. Step 6: Final answer
    x = 868,679.51

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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.