Home / 443,614.20-612,296.40-252,740.16

Finding the Fourth Proportional to 443,614.20, 612,296.40 and 252,740.16

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Solution

The fourth proportional to 443,614.20, 612,296.40 and 252,740.16 is: 348,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,614.20 : 612,296.40 = 252,740.16 : x
  2. Step 2: Convert to fraction form
    443,614.20/612,296.40 = 252,740.16/x
  3. Step 3: Cross multiply
    443,614.20x = 612,296.40 × 252,740.16
  4. Step 4: Simplify right side
    443,614.20x = 154,751,890,103.42
  5. Step 5: Solve for x
    x = 154,751,890,103.42/443,614.20
  6. Step 6: Final answer
    x = 348,843.41

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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.