Home / 463,207.70-639,080.91-259,226.21

Finding the Fourth Proportional to 463,207.70, 639,080.91 and 259,226.21

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Solution

The fourth proportional to 463,207.70, 639,080.91 and 259,226.21 is: 357,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,207.70 : 639,080.91 = 259,226.21 : x
  2. Step 2: Convert to fraction form
    463,207.70/639,080.91 = 259,226.21/x
  3. Step 3: Cross multiply
    463,207.70x = 639,080.91 × 259,226.21
  4. Step 4: Simplify right side
    463,207.70x = 165,666,523,780.35
  5. Step 5: Solve for x
    x = 165,666,523,780.35/463,207.70
  6. Step 6: Final answer
    x = 357,650.62

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1.5x scale

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.