Finding the Fourth Proportional to 724,448.70, 1,016,327.70 and 724,448.70
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Solution
The fourth proportional to 724,448.70, 1,016,327.70 and 724,448.70 is: 1,016,327.70
Step by Step Solution
- Step 1: Write the proportion equation
724,448.70 : 1,016,327.70 = 724,448.70 : x - Step 2: Convert to fraction form
724,448.70/1,016,327.70 = 724,448.70/x - Step 3: Cross multiply
724,448.70x = 1,016,327.70 × 724,448.70 - Step 4: Simplify right side
724,448.70x = 736,277,281,038.99 - Step 5: Solve for x
x = 736,277,281,038.99/724,448.70 - Step 6: Final answer
x = 1,016,327.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.