Home / 393,928.20-591,329.70-244,337.40

Finding the Fourth Proportional to 393,928.20, 591,329.70 and 244,337.40

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Solution

The fourth proportional to 393,928.20, 591,329.70 and 244,337.40 is: 366,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,928.20 : 591,329.70 = 244,337.40 : x
  2. Step 2: Convert to fraction form
    393,928.20/591,329.70 = 244,337.40/x
  3. Step 3: Cross multiply
    393,928.20x = 591,329.70 × 244,337.40
  4. Step 4: Simplify right side
    393,928.20x = 144,483,961,440.78
  5. Step 5: Solve for x
    x = 144,483,961,440.78/393,928.20
  6. Step 6: Final answer
    x = 366,777.40

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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.