Finding the Fourth Proportional to 1,286,553.17, 1,775,444.36 and 713,597.45
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Solution
The fourth proportional to 1,286,553.17, 1,775,444.36 and 713,597.45 is: 984,765.02
Step by Step Solution
- Step 1: Write the proportion equation
1,286,553.17 : 1,775,444.36 = 713,597.45 : x - Step 2: Convert to fraction form
1,286,553.17/1,775,444.36 = 713,597.45/x - Step 3: Cross multiply
1,286,553.17x = 1,775,444.36 × 713,597.45 - Step 4: Simplify right side
1,286,553.17x = 1,266,952,564,344.89 - Step 5: Solve for x
x = 1,266,952,564,344.89/1,286,553.17 - Step 6: Final answer
x = 984,765.02
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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.