Home / 479,231.24-661,339.80-264,370.88

Finding the Fourth Proportional to 479,231.24, 661,339.80 and 264,370.88

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Solution

The fourth proportional to 479,231.24, 661,339.80 and 264,370.88 is: 364,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,231.24 : 661,339.80 = 264,370.88 : x
  2. Step 2: Convert to fraction form
    479,231.24/661,339.80 = 264,370.88/x
  3. Step 3: Cross multiply
    479,231.24x = 661,339.80 × 264,370.88
  4. Step 4: Simplify right side
    479,231.24x = 174,838,984,905.02
  5. Step 5: Solve for x
    x = 174,838,984,905.02/479,231.24
  6. Step 6: Final answer
    x = 364,832.19

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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.