Home / 1,908,306.20-2,863,878.30-771,078.27

Finding the Fourth Proportional to 1,908,306.20, 2,863,878.30 and 771,078.27

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Solution

The fourth proportional to 1,908,306.20, 2,863,878.30 and 771,078.27 is: 1,157,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,306.20 : 2,863,878.30 = 771,078.27 : x
  2. Step 2: Convert to fraction form
    1,908,306.20/2,863,878.30 = 771,078.27/x
  3. Step 3: Cross multiply
    1,908,306.20x = 2,863,878.30 × 771,078.27
  4. Step 4: Simplify right side
    1,908,306.20x = 2,208,274,325,054.54
  5. Step 5: Solve for x
    x = 2,208,274,325,054.54/1,908,306.20
  6. Step 6: Final answer
    x = 1,157,190.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.