Home / 443,554.12-612,104.84-239,605

Finding the Fourth Proportional to 443,554.12, 612,104.84 and 239,605

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Solution

The fourth proportional to 443,554.12, 612,104.84 and 239,605 is: 330,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,554.12 : 612,104.84 = 239,605 : x
  2. Step 2: Convert to fraction form
    443,554.12/612,104.84 = 239,605/x
  3. Step 3: Cross multiply
    443,554.12x = 612,104.84 × 239,605
  4. Step 4: Simplify right side
    443,554.12x = 146,663,380,188.20
  5. Step 5: Solve for x
    x = 146,663,380,188.20/443,554.12
  6. Step 6: Final answer
    x = 330,654.98

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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.