Finding the Fourth Proportional to 1,332,688.96, 1,999,031.82 and 434,129.23
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Solution
The fourth proportional to 1,332,688.96, 1,999,031.82 and 434,129.23 is: 651,193.32
Step by Step Solution
- Step 1: Write the proportion equation
1,332,688.96 : 1,999,031.82 = 434,129.23 : x - Step 2: Convert to fraction form
1,332,688.96/1,999,031.82 = 434,129.23/x - Step 3: Cross multiply
1,332,688.96x = 1,999,031.82 × 434,129.23 - Step 4: Simplify right side
1,332,688.96x = 867,838,144,762.10 - Step 5: Solve for x
x = 867,838,144,762.10/1,332,688.96 - Step 6: Final answer
x = 651,193.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.