Finding the Fourth Proportional to 1,038,619, 1,557,928.50 and 250,651
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Solution
The fourth proportional to 1,038,619, 1,557,928.50 and 250,651 is: 375,976.50
Step by Step Solution
- Step 1: Write the proportion equation
1,038,619 : 1,557,928.50 = 250,651 : x - Step 2: Convert to fraction form
1,038,619/1,557,928.50 = 250,651/x - Step 3: Cross multiply
1,038,619x = 1,557,928.50 × 250,651 - Step 4: Simplify right side
1,038,619x = 390,496,336,453.50 - Step 5: Solve for x
x = 390,496,336,453.50/1,038,619 - Step 6: Final answer
x = 375,976.50
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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.