Finding the Fourth Proportional to 1,556,811.68, 2,148,396.36 and 877,743.32
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Solution
The fourth proportional to 1,556,811.68, 2,148,396.36 and 877,743.32 is: 1,211,283.66
Step by Step Solution
- Step 1: Write the proportion equation
1,556,811.68 : 2,148,396.36 = 877,743.32 : x - Step 2: Convert to fraction form
1,556,811.68/2,148,396.36 = 877,743.32/x - Step 3: Cross multiply
1,556,811.68x = 2,148,396.36 × 877,743.32 - Step 4: Simplify right side
1,556,811.68x = 1,885,740,553,702.32 - Step 5: Solve for x
x = 1,885,740,553,702.32/1,556,811.68 - Step 6: Final answer
x = 1,211,283.66
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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.