Home / 403,318.08-603,457.05-240,610.41

Finding the Fourth Proportional to 403,318.08, 603,457.05 and 240,610.41

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Solution

The fourth proportional to 403,318.08, 603,457.05 and 240,610.41 is: 360,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,318.08 : 603,457.05 = 240,610.41 : x
  2. Step 2: Convert to fraction form
    403,318.08/603,457.05 = 240,610.41/x
  3. Step 3: Cross multiply
    403,318.08x = 603,457.05 × 240,610.41
  4. Step 4: Simplify right side
    403,318.08x = 145,198,048,217.89
  5. Step 5: Solve for x
    x = 145,198,048,217.89/403,318.08
  6. Step 6: Final answer
    x = 360,008.78

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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.