Home / 589,040.20-884,216.40-323,319.70

Finding the Fourth Proportional to 589,040.20, 884,216.40 and 323,319.70

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Solution

The fourth proportional to 589,040.20, 884,216.40 and 323,319.70 is: 485,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,040.20 : 884,216.40 = 323,319.70 : x
  2. Step 2: Convert to fraction form
    589,040.20/884,216.40 = 323,319.70/x
  3. Step 3: Cross multiply
    589,040.20x = 884,216.40 × 323,319.70
  4. Step 4: Simplify right side
    589,040.20x = 285,884,581,183.08
  5. Step 5: Solve for x
    x = 285,884,581,183.08/589,040.20
  6. Step 6: Final answer
    x = 485,339.68

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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.