Home / 396,122.60-546,719.07-235,066.46

Finding the Fourth Proportional to 396,122.60, 546,719.07 and 235,066.46

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Solution

The fourth proportional to 396,122.60, 546,719.07 and 235,066.46 is: 324,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,122.60 : 546,719.07 = 235,066.46 : x
  2. Step 2: Convert to fraction form
    396,122.60/546,719.07 = 235,066.46/x
  3. Step 3: Cross multiply
    396,122.60x = 546,719.07 × 235,066.46
  4. Step 4: Simplify right side
    396,122.60x = 128,515,312,490.47
  5. Step 5: Solve for x
    x = 128,515,312,490.47/396,122.60
  6. Step 6: Final answer
    x = 324,433.17

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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.