Home / 396,020.97-546,432.34-235,018.89

Finding the Fourth Proportional to 396,020.97, 546,432.34 and 235,018.89

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Solution

The fourth proportional to 396,020.97, 546,432.34 and 235,018.89 is: 324,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,020.97 : 546,432.34 = 235,018.89 : x
  2. Step 2: Convert to fraction form
    396,020.97/546,432.34 = 235,018.89/x
  3. Step 3: Cross multiply
    396,020.97x = 546,432.34 × 235,018.89
  4. Step 4: Simplify right side
    396,020.97x = 128,421,922,006.90
  5. Step 5: Solve for x
    x = 128,421,922,006.90/396,020.97
  6. Step 6: Final answer
    x = 324,280.61

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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.