Home / 496,040.13-744,391.08-318,674.43

Finding the Fourth Proportional to 496,040.13, 744,391.08 and 318,674.43

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Solution

The fourth proportional to 496,040.13, 744,391.08 and 318,674.43 is: 478,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,040.13 : 744,391.08 = 318,674.43 : x
  2. Step 2: Convert to fraction form
    496,040.13/744,391.08 = 318,674.43/x
  3. Step 3: Cross multiply
    496,040.13x = 744,391.08 × 318,674.43
  4. Step 4: Simplify right side
    496,040.13x = 237,218,403,116.08
  5. Step 5: Solve for x
    x = 237,218,403,116.08/496,040.13
  6. Step 6: Final answer
    x = 478,224.22

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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.