Home / 396,875.30-547,672.20-235,726.07

Finding the Fourth Proportional to 396,875.30, 547,672.20 and 235,726.07

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Solution

The fourth proportional to 396,875.30, 547,672.20 and 235,726.07 is: 325,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,875.30 : 547,672.20 = 235,726.07 : x
  2. Step 2: Convert to fraction form
    396,875.30/547,672.20 = 235,726.07/x
  3. Step 3: Cross multiply
    396,875.30x = 547,672.20 × 235,726.07
  4. Step 4: Simplify right side
    396,875.30x = 129,100,615,354.25
  5. Step 5: Solve for x
    x = 129,100,615,354.25/396,875.30
  6. Step 6: Final answer
    x = 325,292.64

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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.