Home / 487,947.40-673,367.31-273,087.45

Finding the Fourth Proportional to 487,947.40, 673,367.31 and 273,087.45

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Solution

The fourth proportional to 487,947.40, 673,367.31 and 273,087.45 is: 376,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,947.40 : 673,367.31 = 273,087.45 : x
  2. Step 2: Convert to fraction form
    487,947.40/673,367.31 = 273,087.45/x
  3. Step 3: Cross multiply
    487,947.40x = 673,367.31 × 273,087.45
  4. Step 4: Simplify right side
    487,947.40x = 183,888,161,601.26
  5. Step 5: Solve for x
    x = 183,888,161,601.26/487,947.40
  6. Step 6: Final answer
    x = 376,860.63

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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.