Home / 1,397,305.70-2,095,958.55-511,187.30

Finding the Fourth Proportional to 1,397,305.70, 2,095,958.55 and 511,187.30

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Solution

The fourth proportional to 1,397,305.70, 2,095,958.55 and 511,187.30 is: 766,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,305.70 : 2,095,958.55 = 511,187.30 : x
  2. Step 2: Convert to fraction form
    1,397,305.70/2,095,958.55 = 511,187.30/x
  3. Step 3: Cross multiply
    1,397,305.70x = 2,095,958.55 × 511,187.30
  4. Step 4: Simplify right side
    1,397,305.70x = 1,071,427,392,086.42
  5. Step 5: Solve for x
    x = 1,071,427,392,086.42/1,397,305.70
  6. Step 6: Final answer
    x = 766,780.95

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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.