Home / 754,020.58-1,131,836.57-305,034.95

Finding the Fourth Proportional to 754,020.58, 1,131,836.57 and 305,034.95

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Solution

The fourth proportional to 754,020.58, 1,131,836.57 and 305,034.95 is: 457,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,020.58 : 1,131,836.57 = 305,034.95 : x
  2. Step 2: Convert to fraction form
    754,020.58/1,131,836.57 = 305,034.95/x
  3. Step 3: Cross multiply
    754,020.58x = 1,131,836.57 × 305,034.95
  4. Step 4: Simplify right side
    754,020.58x = 345,249,711,538.12
  5. Step 5: Solve for x
    x = 345,249,711,538.12/754,020.58
  6. Step 6: Final answer
    x = 457,878.37

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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.