Home / 396,445.63-547,549.07-261,084.60

Finding the Fourth Proportional to 396,445.63, 547,549.07 and 261,084.60

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Solution

The fourth proportional to 396,445.63, 547,549.07 and 261,084.60 is: 360,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,445.63 : 547,549.07 = 261,084.60 : x
  2. Step 2: Convert to fraction form
    396,445.63/547,549.07 = 261,084.60/x
  3. Step 3: Cross multiply
    396,445.63x = 547,549.07 × 261,084.60
  4. Step 4: Simplify right side
    396,445.63x = 142,956,628,615.90
  5. Step 5: Solve for x
    x = 142,956,628,615.90/396,445.63
  6. Step 6: Final answer
    x = 360,595.80

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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.