Finding the Fourth Proportional to 1,430,154.08, 1,973,624.38 and 785,588.66
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Solution
The fourth proportional to 1,430,154.08, 1,973,624.38 and 785,588.66 is: 1,084,118.80
Step by Step Solution
- Step 1: Write the proportion equation
1,430,154.08 : 1,973,624.38 = 785,588.66 : x - Step 2: Convert to fraction form
1,430,154.08/1,973,624.38 = 785,588.66/x - Step 3: Cross multiply
1,430,154.08x = 1,973,624.38 × 785,588.66 - Step 4: Simplify right side
1,430,154.08x = 1,550,456,932,027.53 - Step 5: Solve for x
x = 1,550,456,932,027.53/1,430,154.08 - Step 6: Final answer
x = 1,084,118.80
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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.