Finding the Fourth Proportional to 1,177,753.74, 1,625,300.43 and 641,209.74
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Solution
The fourth proportional to 1,177,753.74, 1,625,300.43 and 641,209.74 is: 884,869.59
Step by Step Solution
- Step 1: Write the proportion equation
1,177,753.74 : 1,625,300.43 = 641,209.74 : x - Step 2: Convert to fraction form
1,177,753.74/1,625,300.43 = 641,209.74/x - Step 3: Cross multiply
1,177,753.74x = 1,625,300.43 × 641,209.74 - Step 4: Simplify right side
1,177,753.74x = 1,042,158,466,142.19 - Step 5: Solve for x
x = 1,042,158,466,142.19/1,177,753.74 - Step 6: Final answer
x = 884,869.59
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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.