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Finding the Fourth Proportional to 1,224,914.40, 1,837,371.60 and 886,366.80

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Solution

The fourth proportional to 1,224,914.40, 1,837,371.60 and 886,366.80 is: 1,329,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,914.40 : 1,837,371.60 = 886,366.80 : x
  2. Step 2: Convert to fraction form
    1,224,914.40/1,837,371.60 = 886,366.80/x
  3. Step 3: Cross multiply
    1,224,914.40x = 1,837,371.60 × 886,366.80
  4. Step 4: Simplify right side
    1,224,914.40x = 1,628,585,185,502.88
  5. Step 5: Solve for x
    x = 1,628,585,185,502.88/1,224,914.40
  6. Step 6: Final answer
    x = 1,329,550.20

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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.