Home / 447,650.24-671,146.56-210,859.52

Finding the Fourth Proportional to 447,650.24, 671,146.56 and 210,859.52

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Solution

The fourth proportional to 447,650.24, 671,146.56 and 210,859.52 is: 316,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,650.24 : 671,146.56 = 210,859.52 : x
  2. Step 2: Convert to fraction form
    447,650.24/671,146.56 = 210,859.52/x
  3. Step 3: Cross multiply
    447,650.24x = 671,146.56 × 210,859.52
  4. Step 4: Simplify right side
    447,650.24x = 141,517,641,491.25
  5. Step 5: Solve for x
    x = 141,517,641,491.25/447,650.24
  6. Step 6: Final answer
    x = 316,134.40

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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.