Finding the Fourth Proportional to 1,113,553.44, 1,536,302.08 and 630,113.44
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Solution
The fourth proportional to 1,113,553.44, 1,536,302.08 and 630,113.44 is: 869,329.26
Step by Step Solution
- Step 1: Write the proportion equation
1,113,553.44 : 1,536,302.08 = 630,113.44 : x - Step 2: Convert to fraction form
1,113,553.44/1,536,302.08 = 630,113.44/x - Step 3: Cross multiply
1,113,553.44x = 1,536,302.08 × 630,113.44 - Step 4: Simplify right side
1,113,553.44x = 968,044,588,507.96 - Step 5: Solve for x
x = 968,044,588,507.96/1,113,553.44 - Step 6: Final answer
x = 869,329.26
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1.5x scale
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.