Home / 615,939.60-923,996.88-189,510.74

Finding the Fourth Proportional to 615,939.60, 923,996.88 and 189,510.74

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Solution

The fourth proportional to 615,939.60, 923,996.88 and 189,510.74 is: 284,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,939.60 : 923,996.88 = 189,510.74 : x
  2. Step 2: Convert to fraction form
    615,939.60/923,996.88 = 189,510.74/x
  3. Step 3: Cross multiply
    615,939.60x = 923,996.88 × 189,510.74
  4. Step 4: Simplify right side
    615,939.60x = 175,107,332,486.49
  5. Step 5: Solve for x
    x = 175,107,332,486.49/615,939.60
  6. Step 6: Final answer
    x = 284,293.03

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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.