Finding the Fourth Proportional to 1,137,633.77, 1,569,925.28 and 621,387.99
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Solution
The fourth proportional to 1,137,633.77, 1,569,925.28 and 621,387.99 is: 857,510.33
Step by Step Solution
- Step 1: Write the proportion equation
1,137,633.77 : 1,569,925.28 = 621,387.99 : x - Step 2: Convert to fraction form
1,137,633.77/1,569,925.28 = 621,387.99/x - Step 3: Cross multiply
1,137,633.77x = 1,569,925.28 × 621,387.99 - Step 4: Simplify right side
1,137,633.77x = 975,532,711,082.45 - Step 5: Solve for x
x = 975,532,711,082.45/1,137,633.77 - Step 6: Final answer
x = 857,510.33
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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.