Home / 1,105,299.78-1,525,298.06-621,863.77

Finding the Fourth Proportional to 1,105,299.78, 1,525,298.06 and 621,863.77

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Solution

The fourth proportional to 1,105,299.78, 1,525,298.06 and 621,863.77 is: 858,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,299.78 : 1,525,298.06 = 621,863.77 : x
  2. Step 2: Convert to fraction form
    1,105,299.78/1,525,298.06 = 621,863.77/x
  3. Step 3: Cross multiply
    1,105,299.78x = 1,525,298.06 × 621,863.77
  4. Step 4: Simplify right side
    1,105,299.78x = 948,527,591,229.48
  5. Step 5: Solve for x
    x = 948,527,591,229.48/1,105,299.78
  6. Step 6: Final answer
    x = 858,163.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.