Finding the Fourth Proportional to 752,713.34, 1,038,745.88 and 446,851.06
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Solution
The fourth proportional to 752,713.34, 1,038,745.88 and 446,851.06 is: 616,655.34
Step by Step Solution
- Step 1: Write the proportion equation
752,713.34 : 1,038,745.88 = 446,851.06 : x - Step 2: Convert to fraction form
752,713.34/1,038,745.88 = 446,851.06/x - Step 3: Cross multiply
752,713.34x = 1,038,745.88 × 446,851.06 - Step 4: Simplify right side
752,713.34x = 464,164,697,548.63 - Step 5: Solve for x
x = 464,164,697,548.63/752,713.34 - Step 6: Final answer
x = 616,655.34
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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.