Finding the Fourth Proportional to 1,176,909.92, 1,624,255.28 and 693,630.80
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Solution
The fourth proportional to 1,176,909.92, 1,624,255.28 and 693,630.80 is: 957,280.99
Step by Step Solution
- Step 1: Write the proportion equation
1,176,909.92 : 1,624,255.28 = 693,630.80 : x - Step 2: Convert to fraction form
1,176,909.92/1,624,255.28 = 693,630.80/x - Step 3: Cross multiply
1,176,909.92x = 1,624,255.28 × 693,630.80 - Step 4: Simplify right side
1,176,909.92x = 1,126,633,489,270.62 - Step 5: Solve for x
x = 1,126,633,489,270.62/1,176,909.92 - Step 6: Final answer
x = 957,280.99
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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.