Finding the Fourth Proportional to 742,576.08, 1,024,727.58 and 403,037.04
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Solution
The fourth proportional to 742,576.08, 1,024,727.58 and 403,037.04 is: 556,176.24
Step by Step Solution
- Step 1: Write the proportion equation
742,576.08 : 1,024,727.58 = 403,037.04 : x - Step 2: Convert to fraction form
742,576.08/1,024,727.58 = 403,037.04/x - Step 3: Cross multiply
742,576.08x = 1,024,727.58 × 403,037.04 - Step 4: Simplify right side
742,576.08x = 413,003,170,649.56 - Step 5: Solve for x
x = 413,003,170,649.56/742,576.08 - Step 6: Final answer
x = 556,176.24
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1.5x scale
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.