Home / 577,257.10-796,639.40-322,608.28

Finding the Fourth Proportional to 577,257.10, 796,639.40 and 322,608.28

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Solution

The fourth proportional to 577,257.10, 796,639.40 and 322,608.28 is: 445,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,257.10 : 796,639.40 = 322,608.28 : x
  2. Step 2: Convert to fraction form
    577,257.10/796,639.40 = 322,608.28/x
  3. Step 3: Cross multiply
    577,257.10x = 796,639.40 × 322,608.28
  4. Step 4: Simplify right side
    577,257.10x = 257,002,466,614.23
  5. Step 5: Solve for x
    x = 257,002,466,614.23/577,257.10
  6. Step 6: Final answer
    x = 445,213.18

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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.