Home / 1,105,299.93-1,525,298.27-621,863.93

Finding the Fourth Proportional to 1,105,299.93, 1,525,298.27 and 621,863.93

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Solution

The fourth proportional to 1,105,299.93, 1,525,298.27 and 621,863.93 is: 858,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,299.93 : 1,525,298.27 = 621,863.93 : x
  2. Step 2: Convert to fraction form
    1,105,299.93/1,525,298.27 = 621,863.93/x
  3. Step 3: Cross multiply
    1,105,299.93x = 1,525,298.27 × 621,863.93
  4. Step 4: Simplify right side
    1,105,299.93x = 948,527,970,532.57
  5. Step 5: Solve for x
    x = 948,527,970,532.57/1,105,299.93
  6. Step 6: Final answer
    x = 858,163.42

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Why These Related Problems?

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