Home / 1,534,118.94-2,117,086.47-855,040.86

Finding the Fourth Proportional to 1,534,118.94, 2,117,086.47 and 855,040.86

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Solution

The fourth proportional to 1,534,118.94, 2,117,086.47 and 855,040.86 is: 1,179,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,118.94 : 2,117,086.47 = 855,040.86 : x
  2. Step 2: Convert to fraction form
    1,534,118.94/2,117,086.47 = 855,040.86/x
  3. Step 3: Cross multiply
    1,534,118.94x = 2,117,086.47 × 855,040.86
  4. Step 4: Simplify right side
    1,534,118.94x = 1,810,195,436,003.16
  5. Step 5: Solve for x
    x = 1,810,195,436,003.16/1,534,118.94
  6. Step 6: Final answer
    x = 1,179,957.69

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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.