Home / 615,921.89-923,884.97-189,454.82

Finding the Fourth Proportional to 615,921.89, 923,884.97 and 189,454.82

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Solution

The fourth proportional to 615,921.89, 923,884.97 and 189,454.82 is: 284,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,921.89 : 923,884.97 = 189,454.82 : x
  2. Step 2: Convert to fraction form
    615,921.89/923,884.97 = 189,454.82/x
  3. Step 3: Cross multiply
    615,921.89x = 923,884.97 × 189,454.82
  4. Step 4: Simplify right side
    615,921.89x = 175,034,455,125.36
  5. Step 5: Solve for x
    x = 175,034,455,125.36/615,921.89
  6. Step 6: Final answer
    x = 284,182.88

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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.