Finding the Fourth Proportional to 1,091,809.59, 1,506,681.99 and 608,395.11
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Solution
The fourth proportional to 1,091,809.59, 1,506,681.99 and 608,395.11 is: 839,576.76
Step by Step Solution
- Step 1: Write the proportion equation
1,091,809.59 : 1,506,681.99 = 608,395.11 : x - Step 2: Convert to fraction form
1,091,809.59/1,506,681.99 = 608,395.11/x - Step 3: Cross multiply
1,091,809.59x = 1,506,681.99 × 608,395.11 - Step 4: Simplify right side
1,091,809.59x = 916,657,955,041.07 - Step 5: Solve for x
x = 916,657,955,041.07/1,091,809.59 - Step 6: Final answer
x = 839,576.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.