Finding the Fourth Proportional to 1,113,701.68, 1,536,909.12 and 604,403.92
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Solution
The fourth proportional to 1,113,701.68, 1,536,909.12 and 604,403.92 is: 834,077.84
Step by Step Solution
- Step 1: Write the proportion equation
1,113,701.68 : 1,536,909.12 = 604,403.92 : x - Step 2: Convert to fraction form
1,113,701.68/1,536,909.12 = 604,403.92/x - Step 3: Cross multiply
1,113,701.68x = 1,536,909.12 × 604,403.92 - Step 4: Simplify right side
1,113,701.68x = 928,913,896,811.75 - Step 5: Solve for x
x = 928,913,896,811.75/1,113,701.68 - Step 6: Final answer
x = 834,077.84
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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.