Finding the Fourth Proportional to 836,194.14, 1,153,953.95 and 454,220.82
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Solution
The fourth proportional to 836,194.14, 1,153,953.95 and 454,220.82 is: 626,828.01
Step by Step Solution
- Step 1: Write the proportion equation
836,194.14 : 1,153,953.95 = 454,220.82 : x - Step 2: Convert to fraction form
836,194.14/1,153,953.95 = 454,220.82/x - Step 3: Cross multiply
836,194.14x = 1,153,953.95 × 454,220.82 - Step 4: Simplify right side
836,194.14x = 524,149,907,140.14 - Step 5: Solve for x
x = 524,149,907,140.14/836,194.14 - Step 6: Final answer
x = 626,828.01
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1.5x scale
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.