Home / 754,041.80-1,131,052.73-185,427.80

Finding the Fourth Proportional to 754,041.80, 1,131,052.73 and 185,427.80

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Solution

The fourth proportional to 754,041.80, 1,131,052.73 and 185,427.80 is: 278,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,041.80 : 1,131,052.73 = 185,427.80 : x
  2. Step 2: Convert to fraction form
    754,041.80/1,131,052.73 = 185,427.80/x
  3. Step 3: Cross multiply
    754,041.80x = 1,131,052.73 × 185,427.80
  4. Step 4: Simplify right side
    754,041.80x = 209,728,612,825.49
  5. Step 5: Solve for x
    x = 209,728,612,825.49/754,041.80
  6. Step 6: Final answer
    x = 278,139.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.