Home / 483,355.23-724,487.91-230,428.68

Finding the Fourth Proportional to 483,355.23, 724,487.91 and 230,428.68

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Solution

The fourth proportional to 483,355.23, 724,487.91 and 230,428.68 is: 345,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,355.23 : 724,487.91 = 230,428.68 : x
  2. Step 2: Convert to fraction form
    483,355.23/724,487.91 = 230,428.68/x
  3. Step 3: Cross multiply
    483,355.23x = 724,487.91 × 230,428.68
  4. Step 4: Simplify right side
    483,355.23x = 166,942,792,777.26
  5. Step 5: Solve for x
    x = 166,942,792,777.26/483,355.23
  6. Step 6: Final answer
    x = 345,383.23

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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.