Finding the Fourth Proportional to 1,688,596.35, 2,330,235.14 and 914,221.00
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Solution
The fourth proportional to 1,688,596.35, 2,330,235.14 and 914,221.00 is: 1,261,609.91
Step by Step Solution
- Step 1: Write the proportion equation
1,688,596.35 : 2,330,235.14 = 914,221.00 : x - Step 2: Convert to fraction form
1,688,596.35/2,330,235.14 = 914,221.00/x - Step 3: Cross multiply
1,688,596.35x = 2,330,235.14 × 914,221.00 - Step 4: Simplify right side
1,688,596.35x = 2,130,349,888,274.76 - Step 5: Solve for x
x = 2,130,349,888,274.76/1,688,596.35 - Step 6: Final answer
x = 1,261,609.91
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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.