Finding the Fourth Proportional to 1,034,386.10, 1,551,579.15 and 528,751.70
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Solution
The fourth proportional to 1,034,386.10, 1,551,579.15 and 528,751.70 is: 793,127.55
Step by Step Solution
- Step 1: Write the proportion equation
1,034,386.10 : 1,551,579.15 = 528,751.70 : x - Step 2: Convert to fraction form
1,034,386.10/1,551,579.15 = 528,751.70/x - Step 3: Cross multiply
1,034,386.10x = 1,551,579.15 × 528,751.70 - Step 4: Simplify right side
1,034,386.10x = 820,400,113,247.06 - Step 5: Solve for x
x = 820,400,113,247.06/1,034,386.10 - Step 6: Final answer
x = 793,127.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.