Home / 396,281.02-546,867.72-226,518.79

Finding the Fourth Proportional to 396,281.02, 546,867.72 and 226,518.79

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Solution

The fourth proportional to 396,281.02, 546,867.72 and 226,518.79 is: 312,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,281.02 : 546,867.72 = 226,518.79 : x
  2. Step 2: Convert to fraction form
    396,281.02/546,867.72 = 226,518.79/x
  3. Step 3: Cross multiply
    396,281.02x = 546,867.72 × 226,518.79
  4. Step 4: Simplify right side
    396,281.02x = 123,875,814,224.46
  5. Step 5: Solve for x
    x = 123,875,814,224.46/396,281.02
  6. Step 6: Final answer
    x = 312,595.88

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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.