Home / 443,007.68-664,479.38-173,085.05

Finding the Fourth Proportional to 443,007.68, 664,479.38 and 173,085.05

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Solution

The fourth proportional to 443,007.68, 664,479.38 and 173,085.05 is: 259,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,007.68 : 664,479.38 = 173,085.05 : x
  2. Step 2: Convert to fraction form
    443,007.68/664,479.38 = 173,085.05/x
  3. Step 3: Cross multiply
    443,007.68x = 664,479.38 × 173,085.05
  4. Step 4: Simplify right side
    443,007.68x = 115,011,448,805.18
  5. Step 5: Solve for x
    x = 115,011,448,805.18/443,007.68
  6. Step 6: Final answer
    x = 259,615.03

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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.