Home / 483,109.10-724,404.45-202,309.10

Finding the Fourth Proportional to 483,109.10, 724,404.45 and 202,309.10

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Solution

The fourth proportional to 483,109.10, 724,404.45 and 202,309.10 is: 303,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,109.10 : 724,404.45 = 202,309.10 : x
  2. Step 2: Convert to fraction form
    483,109.10/724,404.45 = 202,309.10/x
  3. Step 3: Cross multiply
    483,109.10x = 724,404.45 × 202,309.10
  4. Step 4: Simplify right side
    483,109.10x = 146,553,612,315.50
  5. Step 5: Solve for x
    x = 146,553,612,315.50/483,109.10
  6. Step 6: Final answer
    x = 303,355.11

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1.5x scale

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.