Finding the Fourth Proportional to 1,185,619.35, 1,778,711.97 and 386,902.35
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Solution
The fourth proportional to 1,185,619.35, 1,778,711.97 and 386,902.35 is: 580,445.86
Step by Step Solution
- Step 1: Write the proportion equation
1,185,619.35 : 1,778,711.97 = 386,902.35 : x - Step 2: Convert to fraction form
1,185,619.35/1,778,711.97 = 386,902.35/x - Step 3: Cross multiply
1,185,619.35x = 1,778,711.97 × 386,902.35 - Step 4: Simplify right side
1,185,619.35x = 688,187,841,166.13 - Step 5: Solve for x
x = 688,187,841,166.13/1,185,619.35 - Step 6: Final answer
x = 580,445.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.