Finding the Fourth Proportional to 742,569.73, 1,024,743.65 and 403,037.98
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Solution
The fourth proportional to 742,569.73, 1,024,743.65 and 403,037.98 is: 556,191.01
Step by Step Solution
- Step 1: Write the proportion equation
742,569.73 : 1,024,743.65 = 403,037.98 : x - Step 2: Convert to fraction form
742,569.73/1,024,743.65 = 403,037.98/x - Step 3: Cross multiply
742,569.73x = 1,024,743.65 × 403,037.98 - Step 4: Simplify right side
742,569.73x = 413,010,610,713.83 - Step 5: Solve for x
x = 413,010,610,713.83/742,569.73 - Step 6: Final answer
x = 556,191.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.