Home / 426,453.52-639,602.88-110,890.84

Finding the Fourth Proportional to 426,453.52, 639,602.88 and 110,890.84

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Solution

The fourth proportional to 426,453.52, 639,602.88 and 110,890.84 is: 166,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,453.52 : 639,602.88 = 110,890.84 : x
  2. Step 2: Convert to fraction form
    426,453.52/639,602.88 = 110,890.84/x
  3. Step 3: Cross multiply
    426,453.52x = 639,602.88 × 110,890.84
  4. Step 4: Simplify right side
    426,453.52x = 70,926,100,629.62
  5. Step 5: Solve for x
    x = 70,926,100,629.62/426,453.52
  6. Step 6: Final answer
    x = 166,316.13

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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.