Home / 537,619.19-741,795.35-311,133.47

Finding the Fourth Proportional to 537,619.19, 741,795.35 and 311,133.47

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Solution

The fourth proportional to 537,619.19, 741,795.35 and 311,133.47 is: 429,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,619.19 : 741,795.35 = 311,133.47 : x
  2. Step 2: Convert to fraction form
    537,619.19/741,795.35 = 311,133.47/x
  3. Step 3: Cross multiply
    537,619.19x = 741,795.35 × 311,133.47
  4. Step 4: Simplify right side
    537,619.19x = 230,797,356,010.72
  5. Step 5: Solve for x
    x = 230,797,356,010.72/537,619.19
  6. Step 6: Final answer
    x = 429,295.24

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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.