Finding the Fourth Proportional to 723,699.46, 999,048.09 and 482,384.26
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Solution
The fourth proportional to 723,699.46, 999,048.09 and 482,384.26 is: 665,918.80
Step by Step Solution
- Step 1: Write the proportion equation
723,699.46 : 999,048.09 = 482,384.26 : x - Step 2: Convert to fraction form
723,699.46/999,048.09 = 482,384.26/x - Step 3: Cross multiply
723,699.46x = 999,048.09 × 482,384.26 - Step 4: Simplify right side
723,699.46x = 481,925,073,599.06 - Step 5: Solve for x
x = 481,925,073,599.06/723,699.46 - Step 6: Final answer
x = 665,918.80
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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.