Finding the Fourth Proportional to 1,370,194.94, 1,890,873.06 and 758,390.19
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Solution
The fourth proportional to 1,370,194.94, 1,890,873.06 and 758,390.19 is: 1,046,580.70
Step by Step Solution
- Step 1: Write the proportion equation
1,370,194.94 : 1,890,873.06 = 758,390.19 : x - Step 2: Convert to fraction form
1,370,194.94/1,890,873.06 = 758,390.19/x - Step 3: Cross multiply
1,370,194.94x = 1,890,873.06 × 758,390.19 - Step 4: Simplify right side
1,370,194.94x = 1,434,019,579,239.28 - Step 5: Solve for x
x = 1,434,019,579,239.28/1,370,194.94 - Step 6: Final answer
x = 1,046,580.70
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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.