Finding the Fourth Proportional to 1,577,788.18, 2,368,781.82 and 830,359.06
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Solution
The fourth proportional to 1,577,788.18, 2,368,781.82 and 830,359.06 is: 1,246,643.54
Step by Step Solution
- Step 1: Write the proportion equation
1,577,788.18 : 2,368,781.82 = 830,359.06 : x - Step 2: Convert to fraction form
1,577,788.18/2,368,781.82 = 830,359.06/x - Step 3: Cross multiply
1,577,788.18x = 2,368,781.82 × 830,359.06 - Step 4: Simplify right side
1,577,788.18x = 1,966,939,445,400.29 - Step 5: Solve for x
x = 1,966,939,445,400.29/1,577,788.18 - Step 6: Final answer
x = 1,246,643.54
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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.