Finding the Fourth Proportional to 1,564,617.66, 2,158,993.78 and 876,193.80
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Solution
The fourth proportional to 1,564,617.66, 2,158,993.78 and 876,193.80 is: 1,209,047.43
Step by Step Solution
- Step 1: Write the proportion equation
1,564,617.66 : 2,158,993.78 = 876,193.80 : x - Step 2: Convert to fraction form
1,564,617.66/2,158,993.78 = 876,193.80/x - Step 3: Cross multiply
1,564,617.66x = 2,158,993.78 × 876,193.80 - Step 4: Simplify right side
1,564,617.66x = 1,891,696,964,274.56 - Step 5: Solve for x
x = 1,891,696,964,274.56/1,564,617.66 - Step 6: Final answer
x = 1,209,047.43
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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.