Home / 1,908,129.89-2,862,559.34-629,105.87

Finding the Fourth Proportional to 1,908,129.89, 2,862,559.34 and 629,105.87

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Solution

The fourth proportional to 1,908,129.89, 2,862,559.34 and 629,105.87 is: 943,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,129.89 : 2,862,559.34 = 629,105.87 : x
  2. Step 2: Convert to fraction form
    1,908,129.89/2,862,559.34 = 629,105.87/x
  3. Step 3: Cross multiply
    1,908,129.89x = 2,862,559.34 × 629,105.87
  4. Step 4: Simplify right side
    1,908,129.89x = 1,800,852,866,559.00
  5. Step 5: Solve for x
    x = 1,800,852,866,559.00/1,908,129.89
  6. Step 6: Final answer
    x = 943,778.97

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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.