Home / 443,789.08-612,358.14-252,806.20

Finding the Fourth Proportional to 443,789.08, 612,358.14 and 252,806.20

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Solution

The fourth proportional to 443,789.08, 612,358.14 and 252,806.20 is: 348,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,789.08 : 612,358.14 = 252,806.20 : x
  2. Step 2: Convert to fraction form
    443,789.08/612,358.14 = 252,806.20/x
  3. Step 3: Cross multiply
    443,789.08x = 612,358.14 × 252,806.20
  4. Step 4: Simplify right side
    443,789.08x = 154,807,934,412.47
  5. Step 5: Solve for x
    x = 154,807,934,412.47/443,789.08
  6. Step 6: Final answer
    x = 348,832.23

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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.