Finding the Fourth Proportional to 1,186,577.79, 1,778,386.37 and 578,865.17
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Solution
The fourth proportional to 1,186,577.79, 1,778,386.37 and 578,865.17 is: 867,575.58
Step by Step Solution
- Step 1: Write the proportion equation
1,186,577.79 : 1,778,386.37 = 578,865.17 : x - Step 2: Convert to fraction form
1,186,577.79/1,778,386.37 = 578,865.17/x - Step 3: Cross multiply
1,186,577.79x = 1,778,386.37 × 578,865.17 - Step 4: Simplify right side
1,186,577.79x = 1,029,445,916,609.48 - Step 5: Solve for x
x = 1,029,445,916,609.48/1,186,577.79 - Step 6: Final answer
x = 867,575.58
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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.