Home / 512,968.16-769,465.38-243,033.10

Finding the Fourth Proportional to 512,968.16, 769,465.38 and 243,033.10

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Solution

The fourth proportional to 512,968.16, 769,465.38 and 243,033.10 is: 364,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,968.16 : 769,465.38 = 243,033.10 : x
  2. Step 2: Convert to fraction form
    512,968.16/769,465.38 = 243,033.10/x
  3. Step 3: Cross multiply
    512,968.16x = 769,465.38 × 243,033.10
  4. Step 4: Simplify right side
    512,968.16x = 187,005,556,644.08
  5. Step 5: Solve for x
    x = 187,005,556,644.08/512,968.16
  6. Step 6: Final answer
    x = 364,555.88

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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.