Home / 1,107,619.09-1,661,428.44-266,170.84

Finding the Fourth Proportional to 1,107,619.09, 1,661,428.44 and 266,170.84

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Solution

The fourth proportional to 1,107,619.09, 1,661,428.44 and 266,170.84 is: 399,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,619.09 : 1,661,428.44 = 266,170.84 : x
  2. Step 2: Convert to fraction form
    1,107,619.09/1,661,428.44 = 266,170.84/x
  3. Step 3: Cross multiply
    1,107,619.09x = 1,661,428.44 × 266,170.84
  4. Step 4: Simplify right side
    1,107,619.09x = 442,223,799,321.12
  5. Step 5: Solve for x
    x = 442,223,799,321.12/1,107,619.09
  6. Step 6: Final answer
    x = 399,256.21

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1.5x scale

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.