Finding the Fourth Proportional to 922,628.64, 1,273,271.76 and 520,212
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Solution
The fourth proportional to 922,628.64, 1,273,271.76 and 520,212 is: 717,917.50
Step by Step Solution
- Step 1: Write the proportion equation
922,628.64 : 1,273,271.76 = 520,212 : x - Step 2: Convert to fraction form
922,628.64/1,273,271.76 = 520,212/x - Step 3: Cross multiply
922,628.64x = 1,273,271.76 × 520,212 - Step 4: Simplify right side
922,628.64x = 662,371,248,813.12 - Step 5: Solve for x
x = 662,371,248,813.12/922,628.64 - Step 6: Final answer
x = 717,917.50
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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.