Home / 1,100,606.72-1,519,055.09-713,901.38

Finding the Fourth Proportional to 1,100,606.72, 1,519,055.09 and 713,901.38

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Solution

The fourth proportional to 1,100,606.72, 1,519,055.09 and 713,901.38 is: 985,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,606.72 : 1,519,055.09 = 713,901.38 : x
  2. Step 2: Convert to fraction form
    1,100,606.72/1,519,055.09 = 713,901.38/x
  3. Step 3: Cross multiply
    1,100,606.72x = 1,519,055.09 × 713,901.38
  4. Step 4: Simplify right side
    1,100,606.72x = 1,084,455,529,119.75
  5. Step 5: Solve for x
    x = 1,084,455,529,119.75/1,100,606.72
  6. Step 6: Final answer
    x = 985,325.19

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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.