Home / 483,914.02-724,451.58-339,318.46

Finding the Fourth Proportional to 483,914.02, 724,451.58 and 339,318.46

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Solution

The fourth proportional to 483,914.02, 724,451.58 and 339,318.46 is: 507,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,914.02 : 724,451.58 = 339,318.46 : x
  2. Step 2: Convert to fraction form
    483,914.02/724,451.58 = 339,318.46/x
  3. Step 3: Cross multiply
    483,914.02x = 724,451.58 × 339,318.46
  4. Step 4: Simplify right side
    483,914.02x = 245,819,794,470.17
  5. Step 5: Solve for x
    x = 245,819,794,470.17/483,914.02
  6. Step 6: Final answer
    x = 507,982.38

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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.