Finding the Fourth Proportional to 1,230,188.18, 1,697,660.76 and 686,324.08
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Solution
The fourth proportional to 1,230,188.18, 1,697,660.76 and 686,324.08 is: 947,127.83
Step by Step Solution
- Step 1: Write the proportion equation
1,230,188.18 : 1,697,660.76 = 686,324.08 : x - Step 2: Convert to fraction form
1,230,188.18/1,697,660.76 = 686,324.08/x - Step 3: Cross multiply
1,230,188.18x = 1,697,660.76 × 686,324.08 - Step 4: Simplify right side
1,230,188.18x = 1,165,145,463,910.21 - Step 5: Solve for x
x = 1,165,145,463,910.21/1,230,188.18 - Step 6: Final answer
x = 947,127.83
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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.