Finding the Fourth Proportional to 827,317.62, 1,141,573.95 and 464,671.98
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Solution
The fourth proportional to 827,317.62, 1,141,573.95 and 464,671.98 is: 641,177.48
Step by Step Solution
- Step 1: Write the proportion equation
827,317.62 : 1,141,573.95 = 464,671.98 : x - Step 2: Convert to fraction form
827,317.62/1,141,573.95 = 464,671.98/x - Step 3: Cross multiply
827,317.62x = 1,141,573.95 × 464,671.98 - Step 4: Simplify right side
827,317.62x = 530,457,427,662.92 - Step 5: Solve for x
x = 530,457,427,662.92/827,317.62 - Step 6: Final answer
x = 641,177.48
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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.