Finding the Fourth Proportional to 1,124,038.41, 1,551,199.58 and 640,648.53
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Solution
The fourth proportional to 1,124,038.41, 1,551,199.58 and 640,648.53 is: 884,110.11
Step by Step Solution
- Step 1: Write the proportion equation
1,124,038.41 : 1,551,199.58 = 640,648.53 : x - Step 2: Convert to fraction form
1,124,038.41/1,551,199.58 = 640,648.53/x - Step 3: Cross multiply
1,124,038.41x = 1,551,199.58 × 640,648.53 - Step 4: Simplify right side
1,124,038.41x = 993,773,727,460.38 - Step 5: Solve for x
x = 993,773,727,460.38/1,124,038.41 - Step 6: Final answer
x = 884,110.11
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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.