Finding the Fourth Proportional to 1,133,778.87, 1,564,614.81 and 624,481.25
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Solution
The fourth proportional to 1,133,778.87, 1,564,614.81 and 624,481.25 is: 861,784.10
Step by Step Solution
- Step 1: Write the proportion equation
1,133,778.87 : 1,564,614.81 = 624,481.25 : x - Step 2: Convert to fraction form
1,133,778.87/1,564,614.81 = 624,481.25/x - Step 3: Cross multiply
1,133,778.87x = 1,564,614.81 × 624,481.25 - Step 4: Simplify right side
1,133,778.87x = 977,072,604,494.24 - Step 5: Solve for x
x = 977,072,604,494.24/1,133,778.87 - Step 6: Final answer
x = 861,784.10
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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.