Home / 639,201.45-958,553.07-239,624.25

Finding the Fourth Proportional to 639,201.45, 958,553.07 and 239,624.25

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Solution

The fourth proportional to 639,201.45, 958,553.07 and 239,624.25 is: 359,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,201.45 : 958,553.07 = 239,624.25 : x
  2. Step 2: Convert to fraction form
    639,201.45/958,553.07 = 239,624.25/x
  3. Step 3: Cross multiply
    639,201.45x = 958,553.07 × 239,624.25
  4. Step 4: Simplify right side
    639,201.45x = 229,692,560,483.95
  5. Step 5: Solve for x
    x = 229,692,560,483.95/639,201.45
  6. Step 6: Final answer
    x = 359,342.99

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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.