Home / 483,179.88-723,821.67-393,319.20

Finding the Fourth Proportional to 483,179.88, 723,821.67 and 393,319.20

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Solution

The fourth proportional to 483,179.88, 723,821.67 and 393,319.20 is: 589,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,179.88 : 723,821.67 = 393,319.20 : x
  2. Step 2: Convert to fraction form
    483,179.88/723,821.67 = 393,319.20/x
  3. Step 3: Cross multiply
    483,179.88x = 723,821.67 × 393,319.20
  4. Step 4: Simplify right side
    483,179.88x = 284,692,960,187.06
  5. Step 5: Solve for x
    x = 284,692,960,187.06/483,179.88
  6. Step 6: Final answer
    x = 589,206.98

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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.