Home / 1,505,923.86-2,078,208.45-826,863.06

Finding the Fourth Proportional to 1,505,923.86, 2,078,208.45 and 826,863.06

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Solution

The fourth proportional to 1,505,923.86, 2,078,208.45 and 826,863.06 is: 1,141,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,923.86 : 2,078,208.45 = 826,863.06 : x
  2. Step 2: Convert to fraction form
    1,505,923.86/2,078,208.45 = 826,863.06/x
  3. Step 3: Cross multiply
    1,505,923.86x = 2,078,208.45 × 826,863.06
  4. Step 4: Simplify right side
    1,505,923.86x = 1,718,393,798,284.86
  5. Step 5: Solve for x
    x = 1,718,393,798,284.86/1,505,923.86
  6. Step 6: Final answer
    x = 1,141,089.43

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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.