Home / 443,723.76-612,338.58-242,519.76

Finding the Fourth Proportional to 443,723.76, 612,338.58 and 242,519.76

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Solution

The fourth proportional to 443,723.76, 612,338.58 and 242,519.76 is: 334,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,723.76 : 612,338.58 = 242,519.76 : x
  2. Step 2: Convert to fraction form
    443,723.76/612,338.58 = 242,519.76/x
  3. Step 3: Cross multiply
    443,723.76x = 612,338.58 × 242,519.76
  4. Step 4: Simplify right side
    443,723.76x = 148,504,205,460.34
  5. Step 5: Solve for x
    x = 148,504,205,460.34/443,723.76
  6. Step 6: Final answer
    x = 334,677.15

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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.