Home / 426,645.20-588,775.56-235,679.60

Finding the Fourth Proportional to 426,645.20, 588,775.56 and 235,679.60

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Solution

The fourth proportional to 426,645.20, 588,775.56 and 235,679.60 is: 325,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,645.20 : 588,775.56 = 235,679.60 : x
  2. Step 2: Convert to fraction form
    426,645.20/588,775.56 = 235,679.60/x
  3. Step 3: Cross multiply
    426,645.20x = 588,775.56 × 235,679.60
  4. Step 4: Simplify right side
    426,645.20x = 138,762,388,470.58
  5. Step 5: Solve for x
    x = 138,762,388,470.58/426,645.20
  6. Step 6: Final answer
    x = 325,240.71

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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.