Home / 585,031.37-807,327.79-326,910.45

Finding the Fourth Proportional to 585,031.37, 807,327.79 and 326,910.45

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Solution

The fourth proportional to 585,031.37, 807,327.79 and 326,910.45 is: 451,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031.37 : 807,327.79 = 326,910.45 : x
  2. Step 2: Convert to fraction form
    585,031.37/807,327.79 = 326,910.45/x
  3. Step 3: Cross multiply
    585,031.37x = 807,327.79 × 326,910.45
  4. Step 4: Simplify right side
    585,031.37x = 263,923,889,491.85
  5. Step 5: Solve for x
    x = 263,923,889,491.85/585,031.37
  6. Step 6: Final answer
    x = 451,127.76

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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.