Finding the Fourth Proportional to 1,127,902.99, 1,556,518.20 and 611,657.86
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Solution
The fourth proportional to 1,127,902.99, 1,556,518.20 and 611,657.86 is: 844,094.39
Step by Step Solution
- Step 1: Write the proportion equation
1,127,902.99 : 1,556,518.20 = 611,657.86 : x - Step 2: Convert to fraction form
1,127,902.99/1,556,518.20 = 611,657.86/x - Step 3: Cross multiply
1,127,902.99x = 1,556,518.20 × 611,657.86 - Step 4: Simplify right side
1,127,902.99x = 952,056,591,263.05 - Step 5: Solve for x
x = 952,056,591,263.05/1,127,902.99 - Step 6: Final answer
x = 844,094.39
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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.