Home / 1,144,669.19-1,579,193.97-685,803.11

Finding the Fourth Proportional to 1,144,669.19, 1,579,193.97 and 685,803.11

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Solution

The fourth proportional to 1,144,669.19, 1,579,193.97 and 685,803.11 is: 946,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,669.19 : 1,579,193.97 = 685,803.11 : x
  2. Step 2: Convert to fraction form
    1,144,669.19/1,579,193.97 = 685,803.11/x
  3. Step 3: Cross multiply
    1,144,669.19x = 1,579,193.97 × 685,803.11
  4. Step 4: Simplify right side
    1,144,669.19x = 1,083,016,129,309.16
  5. Step 5: Solve for x
    x = 1,083,016,129,309.16/1,144,669.19
  6. Step 6: Final answer
    x = 946,138.97

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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.