Home / 347,904.30-521,856.45-207,936.30

Finding the Fourth Proportional to 347,904.30, 521,856.45 and 207,936.30

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Solution

The fourth proportional to 347,904.30, 521,856.45 and 207,936.30 is: 311,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,904.30 : 521,856.45 = 207,936.30 : x
  2. Step 2: Convert to fraction form
    347,904.30/521,856.45 = 207,936.30/x
  3. Step 3: Cross multiply
    347,904.30x = 521,856.45 × 207,936.30
  4. Step 4: Simplify right side
    347,904.30x = 108,512,899,344.14
  5. Step 5: Solve for x
    x = 108,512,899,344.14/347,904.30
  6. Step 6: Final answer
    x = 311,904.45

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1.5x scale

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.