Home / 481,031.22-721,795.80-349,001.22

Finding the Fourth Proportional to 481,031.22, 721,795.80 and 349,001.22

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Solution

The fourth proportional to 481,031.22, 721,795.80 and 349,001.22 is: 523,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.22 : 721,795.80 = 349,001.22 : x
  2. Step 2: Convert to fraction form
    481,031.22/721,795.80 = 349,001.22/x
  3. Step 3: Cross multiply
    481,031.22x = 721,795.80 × 349,001.22
  4. Step 4: Simplify right side
    481,031.22x = 251,907,614,790.88
  5. Step 5: Solve for x
    x = 251,907,614,790.88/481,031.22
  6. Step 6: Final answer
    x = 523,682.46

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1.5x scale

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.