Finding the Fourth Proportional to 1,232,657.81, 1,701,064.05 and 688,794.12
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Solution
The fourth proportional to 1,232,657.81, 1,701,064.05 and 688,794.12 is: 950,533.81
Step by Step Solution
- Step 1: Write the proportion equation
1,232,657.81 : 1,701,064.05 = 688,794.12 : x - Step 2: Convert to fraction form
1,232,657.81/1,701,064.05 = 688,794.12/x - Step 3: Cross multiply
1,232,657.81x = 1,701,064.05 × 688,794.12 - Step 4: Simplify right side
1,232,657.81x = 1,171,682,915,383.39 - Step 5: Solve for x
x = 1,171,682,915,383.39/1,232,657.81 - Step 6: Final answer
x = 950,533.81
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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.