Finding the Fourth Proportional to 1,185,129.04, 1,778,689.05 and 511,719.34
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Solution
The fourth proportional to 1,185,129.04, 1,778,689.05 and 511,719.34 is: 768,008.85
Step by Step Solution
- Step 1: Write the proportion equation
1,185,129.04 : 1,778,689.05 = 511,719.34 : x - Step 2: Convert to fraction form
1,185,129.04/1,778,689.05 = 511,719.34/x - Step 3: Cross multiply
1,185,129.04x = 1,778,689.05 × 511,719.34 - Step 4: Simplify right side
1,185,129.04x = 910,189,586,731.23 - Step 5: Solve for x
x = 910,189,586,731.23/1,185,129.04 - Step 6: Final answer
x = 768,008.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.