Home / 422,628.93-633,982.47-152,824.41

Finding the Fourth Proportional to 422,628.93, 633,982.47 and 152,824.41

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Solution

The fourth proportional to 422,628.93, 633,982.47 and 152,824.41 is: 229,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,628.93 : 633,982.47 = 152,824.41 : x
  2. Step 2: Convert to fraction form
    422,628.93/633,982.47 = 152,824.41/x
  3. Step 3: Cross multiply
    422,628.93x = 633,982.47 × 152,824.41
  4. Step 4: Simplify right side
    422,628.93x = 96,887,996,928.09
  5. Step 5: Solve for x
    x = 96,887,996,928.09/422,628.93
  6. Step 6: Final answer
    x = 229,250.74

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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.