Home / 443,225.34-664,378.20-206,373.24

Finding the Fourth Proportional to 443,225.34, 664,378.20 and 206,373.24

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Solution

The fourth proportional to 443,225.34, 664,378.20 and 206,373.24 is: 309,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,225.34 : 664,378.20 = 206,373.24 : x
  2. Step 2: Convert to fraction form
    443,225.34/664,378.20 = 206,373.24/x
  3. Step 3: Cross multiply
    443,225.34x = 664,378.20 × 206,373.24
  4. Step 4: Simplify right side
    443,225.34x = 137,109,881,719.37
  5. Step 5: Solve for x
    x = 137,109,881,719.37/443,225.34
  6. Step 6: Final answer
    x = 309,345.76

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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.