Finding the Fourth Proportional to 887,859.24, 1,224,966.58 and 543,336
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Solution
The fourth proportional to 887,859.24, 1,224,966.58 and 543,336 is: 749,632.84
Step by Step Solution
- Step 1: Write the proportion equation
887,859.24 : 1,224,966.58 = 543,336 : x - Step 2: Convert to fraction form
887,859.24/1,224,966.58 = 543,336/x - Step 3: Cross multiply
887,859.24x = 1,224,966.58 × 543,336 - Step 4: Simplify right side
887,859.24x = 665,568,441,710.88 - Step 5: Solve for x
x = 665,568,441,710.88/887,859.24 - Step 6: Final answer
x = 749,632.84
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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.