Finding the Fourth Proportional to 1,069,879.19, 1,604,917.97 and 386,936.81
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Solution
The fourth proportional to 1,069,879.19, 1,604,917.97 and 386,936.81 is: 580,441.09
Step by Step Solution
- Step 1: Write the proportion equation
1,069,879.19 : 1,604,917.97 = 386,936.81 : x - Step 2: Convert to fraction form
1,069,879.19/1,604,917.97 = 386,936.81/x - Step 3: Cross multiply
1,069,879.19x = 1,604,917.97 × 386,936.81 - Step 4: Simplify right side
1,069,879.19x = 621,001,839,623.48 - Step 5: Solve for x
x = 621,001,839,623.48/1,069,879.19 - Step 6: Final answer
x = 580,441.09
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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.