Home / 396,137.34-546,584.02-235,045.69

Finding the Fourth Proportional to 396,137.34, 546,584.02 and 235,045.69

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Solution

The fourth proportional to 396,137.34, 546,584.02 and 235,045.69 is: 324,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,137.34 : 546,584.02 = 235,045.69 : x
  2. Step 2: Convert to fraction form
    396,137.34/546,584.02 = 235,045.69/x
  3. Step 3: Cross multiply
    396,137.34x = 546,584.02 × 235,045.69
  4. Step 4: Simplify right side
    396,137.34x = 128,472,216,169.80
  5. Step 5: Solve for x
    x = 128,472,216,169.80/396,137.34
  6. Step 6: Final answer
    x = 324,312.31

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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.