Finding the Fourth Proportional to 1,527,059.25, 2,107,367.09 and 838,794.74
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Solution
The fourth proportional to 1,527,059.25, 2,107,367.09 and 838,794.74 is: 1,157,550.66
Step by Step Solution
- Step 1: Write the proportion equation
1,527,059.25 : 2,107,367.09 = 838,794.74 : x - Step 2: Convert to fraction form
1,527,059.25/2,107,367.09 = 838,794.74/x - Step 3: Cross multiply
1,527,059.25x = 2,107,367.09 × 838,794.74 - Step 4: Simplify right side
1,527,059.25x = 1,767,648,437,706.51 - Step 5: Solve for x
x = 1,767,648,437,706.51/1,527,059.25 - Step 6: Final answer
x = 1,157,550.66
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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.