Home / 1,405,191.12-2,108,122.08-458,563.56

Finding the Fourth Proportional to 1,405,191.12, 2,108,122.08 and 458,563.56

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Solution

The fourth proportional to 1,405,191.12, 2,108,122.08 and 458,563.56 is: 687,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,191.12 : 2,108,122.08 = 458,563.56 : x
  2. Step 2: Convert to fraction form
    1,405,191.12/2,108,122.08 = 458,563.56/x
  3. Step 3: Cross multiply
    1,405,191.12x = 2,108,122.08 × 458,563.56
  4. Step 4: Simplify right side
    1,405,191.12x = 966,707,965,919.41
  5. Step 5: Solve for x
    x = 966,707,965,919.41/1,405,191.12
  6. Step 6: Final answer
    x = 687,954.79

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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.