Finding the Fourth Proportional to 1,185,529.23, 1,778,479.05 and 386,624.97
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Solution
The fourth proportional to 1,185,529.23, 1,778,479.05 and 386,624.97 is: 579,997.85
Step by Step Solution
- Step 1: Write the proportion equation
1,185,529.23 : 1,778,479.05 = 386,624.97 : x - Step 2: Convert to fraction form
1,185,529.23/1,778,479.05 = 386,624.97/x - Step 3: Cross multiply
1,185,529.23x = 1,778,479.05 × 386,624.97 - Step 4: Simplify right side
1,185,529.23x = 687,604,409,351.88 - Step 5: Solve for x
x = 687,604,409,351.88/1,185,529.23 - Step 6: Final answer
x = 579,997.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.