Home / 657,453.39-986,208.23-258,180.56

Finding the Fourth Proportional to 657,453.39, 986,208.23 and 258,180.56

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Solution

The fourth proportional to 657,453.39, 986,208.23 and 258,180.56 is: 387,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,453.39 : 986,208.23 = 258,180.56 : x
  2. Step 2: Convert to fraction form
    657,453.39/986,208.23 = 258,180.56/x
  3. Step 3: Cross multiply
    657,453.39x = 986,208.23 × 258,180.56
  4. Step 4: Simplify right side
    657,453.39x = 254,619,786,876.07
  5. Step 5: Solve for x
    x = 254,619,786,876.07/657,453.39
  6. Step 6: Final answer
    x = 387,281.88

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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.