Home / 516,421.22-774,631.22-179,461.89

Finding the Fourth Proportional to 516,421.22, 774,631.22 and 179,461.89

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Solution

The fourth proportional to 516,421.22, 774,631.22 and 179,461.89 is: 269,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,421.22 : 774,631.22 = 179,461.89 : x
  2. Step 2: Convert to fraction form
    516,421.22/774,631.22 = 179,461.89/x
  3. Step 3: Cross multiply
    516,421.22x = 774,631.22 × 179,461.89
  4. Step 4: Simplify right side
    516,421.22x = 139,016,782,794.21
  5. Step 5: Solve for x
    x = 139,016,782,794.21/516,421.22
  6. Step 6: Final answer
    x = 269,192.63

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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.