Finding the Fourth Proportional to 750,648.24, 1,035,856.08 and 411,109.20
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Solution
The fourth proportional to 750,648.24, 1,035,856.08 and 411,109.20 is: 567,309.62
Step by Step Solution
- Step 1: Write the proportion equation
750,648.24 : 1,035,856.08 = 411,109.20 : x - Step 2: Convert to fraction form
750,648.24/1,035,856.08 = 411,109.20/x - Step 3: Cross multiply
750,648.24x = 1,035,856.08 × 411,109.20 - Step 4: Simplify right side
750,648.24x = 425,849,964,363.94 - Step 5: Solve for x
x = 425,849,964,363.94/750,648.24 - Step 6: Final answer
x = 567,309.62
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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.