Finding the Fourth Proportional to 1,133,783.18, 1,564,620.71 and 624,485.56
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Solution
The fourth proportional to 1,133,783.18, 1,564,620.71 and 624,485.56 is: 861,790.02
Step by Step Solution
- Step 1: Write the proportion equation
1,133,783.18 : 1,564,620.71 = 624,485.56 : x - Step 2: Convert to fraction form
1,133,783.18/1,564,620.71 = 624,485.56/x - Step 3: Cross multiply
1,133,783.18x = 1,564,620.71 × 624,485.56 - Step 4: Simplify right side
1,133,783.18x = 977,083,033,237.97 - Step 5: Solve for x
x = 977,083,033,237.97/1,133,783.18 - Step 6: Final answer
x = 861,790.02
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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.