Home / 1,640,249.45-2,263,540.92-915,053.93

Finding the Fourth Proportional to 1,640,249.45, 2,263,540.92 and 915,053.93

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Solution

The fourth proportional to 1,640,249.45, 2,263,540.92 and 915,053.93 is: 1,262,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,249.45 : 2,263,540.92 = 915,053.93 : x
  2. Step 2: Convert to fraction form
    1,640,249.45/2,263,540.92 = 915,053.93/x
  3. Step 3: Cross multiply
    1,640,249.45x = 2,263,540.92 × 915,053.93
  4. Step 4: Simplify right side
    1,640,249.45x = 2,071,262,003,244.11
  5. Step 5: Solve for x
    x = 2,071,262,003,244.11/1,640,249.45
  6. Step 6: Final answer
    x = 1,262,772.57

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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.