Finding the Fourth Proportional to 1,602,688.53, 2,211,709.91 and 877,536.14
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Solution
The fourth proportional to 1,602,688.53, 2,211,709.91 and 877,536.14 is: 1,210,999.72
Step by Step Solution
- Step 1: Write the proportion equation
1,602,688.53 : 2,211,709.91 = 877,536.14 : x - Step 2: Convert to fraction form
1,602,688.53/2,211,709.91 = 877,536.14/x - Step 3: Cross multiply
1,602,688.53x = 2,211,709.91 × 877,536.14 - Step 4: Simplify right side
1,602,688.53x = 1,940,855,361,774.92 - Step 5: Solve for x
x = 1,940,855,361,774.92/1,602,688.53 - Step 6: Final answer
x = 1,210,999.72
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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.