Finding the Fourth Proportional to 1,122,204.58, 1,683,543.56 and 363,987.17
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Solution
The fourth proportional to 1,122,204.58, 1,683,543.56 and 363,987.17 is: 546,057.52
Step by Step Solution
- Step 1: Write the proportion equation
1,122,204.58 : 1,683,543.56 = 363,987.17 : x - Step 2: Convert to fraction form
1,122,204.58/1,683,543.56 = 363,987.17/x - Step 3: Cross multiply
1,122,204.58x = 1,683,543.56 × 363,987.17 - Step 4: Simplify right side
1,122,204.58x = 612,788,252,051.76 - Step 5: Solve for x
x = 612,788,252,051.76/1,122,204.58 - Step 6: Final answer
x = 546,057.52
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1.5x scale
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.