Home / 512,933.24-707,935.76-298,197.86

Finding the Fourth Proportional to 512,933.24, 707,935.76 and 298,197.86

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Solution

The fourth proportional to 512,933.24, 707,935.76 and 298,197.86 is: 411,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,933.24 : 707,935.76 = 298,197.86 : x
  2. Step 2: Convert to fraction form
    512,933.24/707,935.76 = 298,197.86/x
  3. Step 3: Cross multiply
    512,933.24x = 707,935.76 × 298,197.86
  4. Step 4: Simplify right side
    512,933.24x = 211,104,929,069.17
  5. Step 5: Solve for x
    x = 211,104,929,069.17/512,933.24
  6. Step 6: Final answer
    x = 411,564.14

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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.