Finding the Fourth Proportional to 742,588.59, 1,024,774.23 and 403,056.84
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Solution
The fourth proportional to 742,588.59, 1,024,774.23 and 403,056.84 is: 556,219.51
Step by Step Solution
- Step 1: Write the proportion equation
742,588.59 : 1,024,774.23 = 403,056.84 : x - Step 2: Convert to fraction form
742,588.59/1,024,774.23 = 403,056.84/x - Step 3: Cross multiply
742,588.59x = 1,024,774.23 × 403,056.84 - Step 4: Simplify right side
742,588.59x = 413,042,262,857.23 - Step 5: Solve for x
x = 413,042,262,857.23/742,588.59 - Step 6: Final answer
x = 556,219.51
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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.