Finding the Fourth Proportional to 1,765,338.30, 2,645,933.85 and 816,705.18
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Solution
The fourth proportional to 1,765,338.30, 2,645,933.85 and 816,705.18 is: 1,224,098.45
Step by Step Solution
- Step 1: Write the proportion equation
1,765,338.30 : 2,645,933.85 = 816,705.18 : x - Step 2: Convert to fraction form
1,765,338.30/2,645,933.85 = 816,705.18/x - Step 3: Cross multiply
1,765,338.30x = 2,645,933.85 × 816,705.18 - Step 4: Simplify right side
1,765,338.30x = 2,160,947,881,232.34 - Step 5: Solve for x
x = 2,160,947,881,232.34/1,765,338.30 - Step 6: Final answer
x = 1,224,098.45
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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.