Home / 483,215.10-724,563.45-202,415.10

Finding the Fourth Proportional to 483,215.10, 724,563.45 and 202,415.10

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Solution

The fourth proportional to 483,215.10, 724,563.45 and 202,415.10 is: 303,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.10 : 724,563.45 = 202,415.10 : x
  2. Step 2: Convert to fraction form
    483,215.10/724,563.45 = 202,415.10/x
  3. Step 3: Cross multiply
    483,215.10x = 724,563.45 × 202,415.10
  4. Step 4: Simplify right side
    483,215.10x = 146,662,583,188.10
  5. Step 5: Solve for x
    x = 146,662,583,188.10/483,215.10
  6. Step 6: Final answer
    x = 303,514.07

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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.