Home / 479,619.45-661,874.20-264,759.01

Finding the Fourth Proportional to 479,619.45, 661,874.20 and 264,759.01

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Solution

The fourth proportional to 479,619.45, 661,874.20 and 264,759.01 is: 365,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,619.45 : 661,874.20 = 264,759.01 : x
  2. Step 2: Convert to fraction form
    479,619.45/661,874.20 = 264,759.01/x
  3. Step 3: Cross multiply
    479,619.45x = 661,874.20 × 264,759.01
  4. Step 4: Simplify right side
    479,619.45x = 175,237,155,619.96
  5. Step 5: Solve for x
    x = 175,237,155,619.96/479,619.45
  6. Step 6: Final answer
    x = 365,367.08

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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.