Finding the Fourth Proportional to 1,723,856.81, 2,378,938.44 and 949,515.14
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Solution
The fourth proportional to 1,723,856.81, 2,378,938.44 and 949,515.14 is: 1,310,339.73
Step by Step Solution
- Step 1: Write the proportion equation
1,723,856.81 : 2,378,938.44 = 949,515.14 : x - Step 2: Convert to fraction form
1,723,856.81/2,378,938.44 = 949,515.14/x - Step 3: Cross multiply
1,723,856.81x = 2,378,938.44 × 949,515.14 - Step 4: Simplify right side
1,723,856.81x = 2,258,838,062,034.48 - Step 5: Solve for x
x = 2,258,838,062,034.48/1,723,856.81 - Step 6: Final answer
x = 1,310,339.73
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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.