Finding the Fourth Proportional to 1,225,064.08, 1,837,596.12 and 383,681.68
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Solution
The fourth proportional to 1,225,064.08, 1,837,596.12 and 383,681.68 is: 575,522.52
Step by Step Solution
- Step 1: Write the proportion equation
1,225,064.08 : 1,837,596.12 = 383,681.68 : x - Step 2: Convert to fraction form
1,225,064.08/1,837,596.12 = 383,681.68/x - Step 3: Cross multiply
1,225,064.08x = 1,837,596.12 × 383,681.68 - Step 4: Simplify right side
1,225,064.08x = 705,051,966,483.08 - Step 5: Solve for x
x = 705,051,966,483.08/1,225,064.08 - Step 6: Final answer
x = 575,522.52
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.