Finding the Fourth Proportional to 1,316,595, 1,816,386.71 and 765,219.09
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Solution
The fourth proportional to 1,316,595, 1,816,386.71 and 765,219.09 is: 1,055,703.37
Step by Step Solution
- Step 1: Write the proportion equation
1,316,595 : 1,816,386.71 = 765,219.09 : x - Step 2: Convert to fraction form
1,316,595/1,816,386.71 = 765,219.09/x - Step 3: Cross multiply
1,316,595x = 1,816,386.71 × 765,219.09 - Step 4: Simplify right side
1,316,595x = 1,389,933,781,488.20 - Step 5: Solve for x
x = 1,389,933,781,488.20/1,316,595 - Step 6: Final answer
x = 1,055,703.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.