Home / 443,496.43-611,306.07-346,530.79

Finding the Fourth Proportional to 443,496.43, 611,306.07 and 346,530.79

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Solution

The fourth proportional to 443,496.43, 611,306.07 and 346,530.79 is: 477,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,496.43 : 611,306.07 = 346,530.79 : x
  2. Step 2: Convert to fraction form
    443,496.43/611,306.07 = 346,530.79/x
  3. Step 3: Cross multiply
    443,496.43x = 611,306.07 × 346,530.79
  4. Step 4: Simplify right side
    443,496.43x = 211,836,375,368.90
  5. Step 5: Solve for x
    x = 211,836,375,368.90/443,496.43
  6. Step 6: Final answer
    x = 477,650.69

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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.