Home / 639,559.22-882,568.53-353,073.15

Finding the Fourth Proportional to 639,559.22, 882,568.53 and 353,073.15

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Solution

The fourth proportional to 639,559.22, 882,568.53 and 353,073.15 is: 487,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,559.22 : 882,568.53 = 353,073.15 : x
  2. Step 2: Convert to fraction form
    639,559.22/882,568.53 = 353,073.15/x
  3. Step 3: Cross multiply
    639,559.22x = 882,568.53 × 353,073.15
  4. Step 4: Simplify right side
    639,559.22x = 311,611,250,977.97
  5. Step 5: Solve for x
    x = 311,611,250,977.97/639,559.22
  6. Step 6: Final answer
    x = 487,228.15

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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.