Home / 598,984.11-827,472.50-518,271.51

Finding the Fourth Proportional to 598,984.11, 827,472.50 and 518,271.51

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Solution

The fourth proportional to 598,984.11, 827,472.50 and 518,271.51 is: 715,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,984.11 : 827,472.50 = 518,271.51 : x
  2. Step 2: Convert to fraction form
    598,984.11/827,472.50 = 518,271.51/x
  3. Step 3: Cross multiply
    598,984.11x = 827,472.50 × 518,271.51
  4. Step 4: Simplify right side
    598,984.11x = 428,855,419,467.12
  5. Step 5: Solve for x
    x = 428,855,419,467.12/598,984.11
  6. Step 6: Final answer
    x = 715,971.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.