Finding the Fourth Proportional to 1,205,058.34, 1,663,011.12 and 661,193.99
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Solution
The fourth proportional to 1,205,058.34, 1,663,011.12 and 661,193.99 is: 912,464.49
Step by Step Solution
- Step 1: Write the proportion equation
1,205,058.34 : 1,663,011.12 = 661,193.99 : x - Step 2: Convert to fraction form
1,205,058.34/1,663,011.12 = 661,193.99/x - Step 3: Cross multiply
1,205,058.34x = 1,663,011.12 × 661,193.99 - Step 4: Simplify right side
1,205,058.34x = 1,099,572,946,226.14 - Step 5: Solve for x
x = 1,099,572,946,226.14/1,205,058.34 - Step 6: Final answer
x = 912,464.49
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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.