Home / 443,274.28-664,719.14-243,534.76

Finding the Fourth Proportional to 443,274.28, 664,719.14 and 243,534.76

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Solution

The fourth proportional to 443,274.28, 664,719.14 and 243,534.76 is: 365,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,274.28 : 664,719.14 = 243,534.76 : x
  2. Step 2: Convert to fraction form
    443,274.28/664,719.14 = 243,534.76/x
  3. Step 3: Cross multiply
    443,274.28x = 664,719.14 × 243,534.76
  4. Step 4: Simplify right side
    443,274.28x = 161,882,216,227.31
  5. Step 5: Solve for x
    x = 161,882,216,227.31/443,274.28
  6. Step 6: Final answer
    x = 365,196.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.