Home / 639,025.35-958,736.91-189,748.56

Finding the Fourth Proportional to 639,025.35, 958,736.91 and 189,748.56

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Solution

The fourth proportional to 639,025.35, 958,736.91 and 189,748.56 is: 284,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,025.35 : 958,736.91 = 189,748.56 : x
  2. Step 2: Convert to fraction form
    639,025.35/958,736.91 = 189,748.56/x
  3. Step 3: Cross multiply
    639,025.35x = 958,736.91 × 189,748.56
  4. Step 4: Simplify right side
    639,025.35x = 181,918,948,091.35
  5. Step 5: Solve for x
    x = 181,918,948,091.35/639,025.35
  6. Step 6: Final answer
    x = 284,681.90

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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.