Home / 396,280.77-546,867.38-226,518.54

Finding the Fourth Proportional to 396,280.77, 546,867.38 and 226,518.54

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Solution

The fourth proportional to 396,280.77, 546,867.38 and 226,518.54 is: 312,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,280.77 : 546,867.38 = 226,518.54 : x
  2. Step 2: Convert to fraction form
    396,280.77/546,867.38 = 226,518.54/x
  3. Step 3: Cross multiply
    396,280.77x = 546,867.38 × 226,518.54
  4. Step 4: Simplify right side
    396,280.77x = 123,875,599,358.63
  5. Step 5: Solve for x
    x = 123,875,599,358.63/396,280.77
  6. Step 6: Final answer
    x = 312,595.54

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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.