Finding the Fourth Proportional to 1,083,831.36, 1,495,381.80 and 624,909.84
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Solution
The fourth proportional to 1,083,831.36, 1,495,381.80 and 624,909.84 is: 862,199.45
Step by Step Solution
- Step 1: Write the proportion equation
1,083,831.36 : 1,495,381.80 = 624,909.84 : x - Step 2: Convert to fraction form
1,083,831.36/1,495,381.80 = 624,909.84/x - Step 3: Cross multiply
1,083,831.36x = 1,495,381.80 × 624,909.84 - Step 4: Simplify right side
1,083,831.36x = 934,478,801,376.91 - Step 5: Solve for x
x = 934,478,801,376.91/1,083,831.36 - Step 6: Final answer
x = 862,199.45
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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.