Home / 1,105,627.21-1,525,760.65-622,200.41

Finding the Fourth Proportional to 1,105,627.21, 1,525,760.65 and 622,200.41

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Solution

The fourth proportional to 1,105,627.21, 1,525,760.65 and 622,200.41 is: 858,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,627.21 : 1,525,760.65 = 622,200.41 : x
  2. Step 2: Convert to fraction form
    1,105,627.21/1,525,760.65 = 622,200.41/x
  3. Step 3: Cross multiply
    1,105,627.21x = 1,525,760.65 × 622,200.41
  4. Step 4: Simplify right side
    1,105,627.21x = 949,328,901,991.87
  5. Step 5: Solve for x
    x = 949,328,901,991.87/1,105,627.21
  6. Step 6: Final answer
    x = 858,633.81

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1.5x scale

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.