Home / 1,977,040.34-2,964,979.20-839,793.50

Finding the Fourth Proportional to 1,977,040.34, 2,964,979.20 and 839,793.50

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Solution

The fourth proportional to 1,977,040.34, 2,964,979.20 and 839,793.50 is: 1,259,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,040.34 : 2,964,979.20 = 839,793.50 : x
  2. Step 2: Convert to fraction form
    1,977,040.34/2,964,979.20 = 839,793.50/x
  3. Step 3: Cross multiply
    1,977,040.34x = 2,964,979.20 × 839,793.50
  4. Step 4: Simplify right side
    1,977,040.34x = 2,489,970,259,795.20
  5. Step 5: Solve for x
    x = 2,489,970,259,795.20/1,977,040.34
  6. Step 6: Final answer
    x = 1,259,443.33

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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.