Finding the Fourth Proportional to 916,017.45, 1,264,124.34 and 508,106
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Solution
The fourth proportional to 916,017.45, 1,264,124.34 and 508,106 is: 701,197.52
Step by Step Solution
- Step 1: Write the proportion equation
916,017.45 : 1,264,124.34 = 508,106 : x - Step 2: Convert to fraction form
916,017.45/1,264,124.34 = 508,106/x - Step 3: Cross multiply
916,017.45x = 1,264,124.34 × 508,106 - Step 4: Simplify right side
916,017.45x = 642,309,161,900.04 - Step 5: Solve for x
x = 642,309,161,900.04/916,017.45 - Step 6: Final answer
x = 701,197.52
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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.