Home / 396,121.32-546,717.30-235,065.17

Finding the Fourth Proportional to 396,121.32, 546,717.30 and 235,065.17

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Solution

The fourth proportional to 396,121.32, 546,717.30 and 235,065.17 is: 324,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,121.32 : 546,717.30 = 235,065.17 : x
  2. Step 2: Convert to fraction form
    396,121.32/546,717.30 = 235,065.17/x
  3. Step 3: Cross multiply
    396,121.32x = 546,717.30 × 235,065.17
  4. Step 4: Simplify right side
    396,121.32x = 128,514,195,551.74
  5. Step 5: Solve for x
    x = 128,514,195,551.74/396,121.32
  6. Step 6: Final answer
    x = 324,431.40

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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.