Finding the Fourth Proportional to 1,113,168.70, 1,536,175.76 and 603,871.08
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Solution
The fourth proportional to 1,113,168.70, 1,536,175.76 and 603,871.08 is: 833,343.69
Step by Step Solution
- Step 1: Write the proportion equation
1,113,168.70 : 1,536,175.76 = 603,871.08 : x - Step 2: Convert to fraction form
1,113,168.70/1,536,175.76 = 603,871.08/x - Step 3: Cross multiply
1,113,168.70x = 1,536,175.76 × 603,871.08 - Step 4: Simplify right side
1,113,168.70x = 927,652,115,261.02 - Step 5: Solve for x
x = 927,652,115,261.02/1,113,168.70 - Step 6: Final answer
x = 833,343.69
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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.