Finding the Fourth Proportional to 913,067.64, 1,369,893.06 and 439,800.84
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Solution
The fourth proportional to 913,067.64, 1,369,893.06 and 439,800.84 is: 659,841.72
Step by Step Solution
- Step 1: Write the proportion equation
913,067.64 : 1,369,893.06 = 439,800.84 : x - Step 2: Convert to fraction form
913,067.64/1,369,893.06 = 439,800.84/x - Step 3: Cross multiply
913,067.64x = 1,369,893.06 × 439,800.84 - Step 4: Simplify right side
913,067.64x = 602,480,118,498.17 - Step 5: Solve for x
x = 602,480,118,498.17/913,067.64 - Step 6: Final answer
x = 659,841.72
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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.