Finding the Fourth Proportional to 1,395,889.67, 1,925,837.17 and 912,737.63
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Solution
The fourth proportional to 1,395,889.67, 1,925,837.17 and 912,737.63 is: 1,259,257.15
Step by Step Solution
- Step 1: Write the proportion equation
1,395,889.67 : 1,925,837.17 = 912,737.63 : x - Step 2: Convert to fraction form
1,395,889.67/1,925,837.17 = 912,737.63/x - Step 3: Cross multiply
1,395,889.67x = 1,925,837.17 × 912,737.63 - Step 4: Simplify right side
1,395,889.67x = 1,757,784,056,844.46 - Step 5: Solve for x
x = 1,757,784,056,844.46/1,395,889.67 - Step 6: Final answer
x = 1,259,257.15
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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.