Finding the Fourth Proportional to 1,036,373.51, 1,430,301.86 and 623,044.09
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Solution
The fourth proportional to 1,036,373.51, 1,430,301.86 and 623,044.09 is: 859,864.81
Step by Step Solution
- Step 1: Write the proportion equation
1,036,373.51 : 1,430,301.86 = 623,044.09 : x - Step 2: Convert to fraction form
1,036,373.51/1,430,301.86 = 623,044.09/x - Step 3: Cross multiply
1,036,373.51x = 1,430,301.86 × 623,044.09 - Step 4: Simplify right side
1,036,373.51x = 891,141,117,673.79 - Step 5: Solve for x
x = 891,141,117,673.79/1,036,373.51 - Step 6: Final answer
x = 859,864.81
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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.