Finding the Fourth Proportional to 865,124.36, 1,193,867.87 and 477,939.77
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Solution
The fourth proportional to 865,124.36, 1,193,867.87 and 477,939.77 is: 659,554.81
Step by Step Solution
- Step 1: Write the proportion equation
865,124.36 : 1,193,867.87 = 477,939.77 : x - Step 2: Convert to fraction form
865,124.36/1,193,867.87 = 477,939.77/x - Step 3: Cross multiply
865,124.36x = 1,193,867.87 × 477,939.77 - Step 4: Simplify right side
865,124.36x = 570,596,926,839.15 - Step 5: Solve for x
x = 570,596,926,839.15/865,124.36 - Step 6: Final answer
x = 659,554.81
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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.