Home / 397,811.84-596,772.75-127,947.62

Finding the Fourth Proportional to 397,811.84, 596,772.75 and 127,947.62

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Solution

The fourth proportional to 397,811.84, 596,772.75 and 127,947.62 is: 191,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,811.84 : 596,772.75 = 127,947.62 : x
  2. Step 2: Convert to fraction form
    397,811.84/596,772.75 = 127,947.62/x
  3. Step 3: Cross multiply
    397,811.84x = 596,772.75 × 127,947.62
  4. Step 4: Simplify right side
    397,811.84x = 76,355,650,059.49
  5. Step 5: Solve for x
    x = 76,355,650,059.49/397,811.84
  6. Step 6: Final answer
    x = 191,939.11

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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.