Finding the Fourth Proportional to 1,115,484.61, 1,539,368.73 and 606,186.98
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Solution
The fourth proportional to 1,115,484.61, 1,539,368.73 and 606,186.98 is: 836,538.02
Step by Step Solution
- Step 1: Write the proportion equation
1,115,484.61 : 1,539,368.73 = 606,186.98 : x - Step 2: Convert to fraction form
1,115,484.61/1,539,368.73 = 606,186.98/x - Step 3: Cross multiply
1,115,484.61x = 1,539,368.73 × 606,186.98 - Step 4: Simplify right side
1,115,484.61x = 933,145,285,393.56 - Step 5: Solve for x
x = 933,145,285,393.56/1,115,484.61 - Step 6: Final answer
x = 836,538.02
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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.