Finding the Fourth Proportional to 1,205,582.18, 1,808,688.37 and 699,656.81
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Solution
The fourth proportional to 1,205,582.18, 1,808,688.37 and 699,656.81 is: 1,049,668.08
Step by Step Solution
- Step 1: Write the proportion equation
1,205,582.18 : 1,808,688.37 = 699,656.81 : x - Step 2: Convert to fraction form
1,205,582.18/1,808,688.37 = 699,656.81/x - Step 3: Cross multiply
1,205,582.18x = 1,808,688.37 × 699,656.81 - Step 4: Simplify right side
1,205,582.18x = 1,265,461,124,445.72 - Step 5: Solve for x
x = 1,265,461,124,445.72/1,205,582.18 - Step 6: Final answer
x = 1,049,668.08
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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.