Finding the Fourth Proportional to 1,057,329.84, 1,457,103.96 and 1,037,898.48
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Solution
The fourth proportional to 1,057,329.84, 1,457,103.96 and 1,037,898.48 is: 1,430,325.64
Step by Step Solution
- Step 1: Write the proportion equation
1,057,329.84 : 1,457,103.96 = 1,037,898.48 : x - Step 2: Convert to fraction form
1,057,329.84/1,457,103.96 = 1,037,898.48/x - Step 3: Cross multiply
1,057,329.84x = 1,457,103.96 × 1,037,898.48 - Step 4: Simplify right side
1,057,329.84x = 1,512,325,985,285.98 - Step 5: Solve for x
x = 1,512,325,985,285.98/1,057,329.84 - Step 6: Final answer
x = 1,430,325.64
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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.