Home / 1,105,694.61-1,525,855.42-622,259.74

Finding the Fourth Proportional to 1,105,694.61, 1,525,855.42 and 622,259.74

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Solution

The fourth proportional to 1,105,694.61, 1,525,855.42 and 622,259.74 is: 858,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,694.61 : 1,525,855.42 = 622,259.74 : x
  2. Step 2: Convert to fraction form
    1,105,694.61/1,525,855.42 = 622,259.74/x
  3. Step 3: Cross multiply
    1,105,694.61x = 1,525,855.42 × 622,259.74
  4. Step 4: Simplify right side
    1,105,694.61x = 949,478,396,926.79
  5. Step 5: Solve for x
    x = 949,478,396,926.79/1,105,694.61
  6. Step 6: Final answer
    x = 858,716.67

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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.