Home / 589,039.20-884,214.90-323,318.70

Finding the Fourth Proportional to 589,039.20, 884,214.90 and 323,318.70

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Solution

The fourth proportional to 589,039.20, 884,214.90 and 323,318.70 is: 485,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,039.20 : 884,214.90 = 323,318.70 : x
  2. Step 2: Convert to fraction form
    589,039.20/884,214.90 = 323,318.70/x
  3. Step 3: Cross multiply
    589,039.20x = 884,214.90 × 323,318.70
  4. Step 4: Simplify right side
    589,039.20x = 285,883,211,988.63
  5. Step 5: Solve for x
    x = 285,883,211,988.63/589,039.20
  6. Step 6: Final answer
    x = 485,338.18

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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.