Home / 396,890.30-547,692.90-235,741.10

Finding the Fourth Proportional to 396,890.30, 547,692.90 and 235,741.10

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Solution

The fourth proportional to 396,890.30, 547,692.90 and 235,741.10 is: 325,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,890.30 : 547,692.90 = 235,741.10 : x
  2. Step 2: Convert to fraction form
    396,890.30/547,692.90 = 235,741.10/x
  3. Step 3: Cross multiply
    396,890.30x = 547,692.90 × 235,741.10
  4. Step 4: Simplify right side
    396,890.30x = 129,113,726,708.19
  5. Step 5: Solve for x
    x = 129,113,726,708.19/396,890.30
  6. Step 6: Final answer
    x = 325,313.38

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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.