Finding the Fourth Proportional to 1,133,679.76, 1,564,406.26 and 624,382.12
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Solution
The fourth proportional to 1,133,679.76, 1,564,406.26 and 624,382.12 is: 861,607.78
Step by Step Solution
- Step 1: Write the proportion equation
1,133,679.76 : 1,564,406.26 = 624,382.12 : x - Step 2: Convert to fraction form
1,133,679.76/1,564,406.26 = 624,382.12/x - Step 3: Cross multiply
1,133,679.76x = 1,564,406.26 × 624,382.12 - Step 4: Simplify right side
1,133,679.76x = 976,787,297,160.07 - Step 5: Solve for x
x = 976,787,297,160.07/1,133,679.76 - Step 6: Final answer
x = 861,607.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.