Finding the Fourth Proportional to 1,107,117.36, 1,527,814.91 and 623,838.15
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Solution
The fourth proportional to 1,107,117.36, 1,527,814.91 and 623,838.15 is: 860,892.67
Step by Step Solution
- Step 1: Write the proportion equation
1,107,117.36 : 1,527,814.91 = 623,838.15 : x - Step 2: Convert to fraction form
1,107,117.36/1,527,814.91 = 623,838.15/x - Step 3: Cross multiply
1,107,117.36x = 1,527,814.91 × 623,838.15 - Step 4: Simplify right side
1,107,117.36x = 953,109,223,877.63 - Step 5: Solve for x
x = 953,109,223,877.63/1,107,117.36 - Step 6: Final answer
x = 860,892.67
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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.