Finding the Fourth Proportional to 787,564, 1,086,838.32 and 429,868
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Solution
The fourth proportional to 787,564, 1,086,838.32 and 429,868 is: 593,217.84
Step by Step Solution
- Step 1: Write the proportion equation
787,564 : 1,086,838.32 = 429,868 : x - Step 2: Convert to fraction form
787,564/1,086,838.32 = 429,868/x - Step 3: Cross multiply
787,564x = 1,086,838.32 × 429,868 - Step 4: Simplify right side
787,564x = 467,197,014,941.76 - Step 5: Solve for x
x = 467,197,014,941.76/787,564 - Step 6: Final answer
x = 593,217.84
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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.