Finding the Fourth Proportional to 1,572,988, 2,359,490.64 and 391,036
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Solution
The fourth proportional to 1,572,988, 2,359,490.64 and 391,036 is: 586,556.15
Step by Step Solution
- Step 1: Write the proportion equation
1,572,988 : 2,359,490.64 = 391,036 : x - Step 2: Convert to fraction form
1,572,988/2,359,490.64 = 391,036/x - Step 3: Cross multiply
1,572,988x = 2,359,490.64 × 391,036 - Step 4: Simplify right side
1,572,988x = 922,645,781,903.04 - Step 5: Solve for x
x = 922,645,781,903.04/1,572,988 - Step 6: Final answer
x = 586,556.15
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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.