Finding the Fourth Proportional to 1,197,536.81, 1,652,354.06 and 688,140.77
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Solution
The fourth proportional to 1,197,536.81, 1,652,354.06 and 688,140.77 is: 949,492.47
Step by Step Solution
- Step 1: Write the proportion equation
1,197,536.81 : 1,652,354.06 = 688,140.77 : x - Step 2: Convert to fraction form
1,197,536.81/1,652,354.06 = 688,140.77/x - Step 3: Cross multiply
1,197,536.81x = 1,652,354.06 × 688,140.77 - Step 4: Simplify right side
1,197,536.81x = 1,137,052,183,458.55 - Step 5: Solve for x
x = 1,137,052,183,458.55/1,197,536.81 - Step 6: Final answer
x = 949,492.47
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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.