Home / 479,664.78-661,920.04-264,800.22

Finding the Fourth Proportional to 479,664.78, 661,920.04 and 264,800.22

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Solution

The fourth proportional to 479,664.78, 661,920.04 and 264,800.22 is: 365,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.78 : 661,920.04 = 264,800.22 : x
  2. Step 2: Convert to fraction form
    479,664.78/661,920.04 = 264,800.22/x
  3. Step 3: Cross multiply
    479,664.78x = 661,920.04 × 264,800.22
  4. Step 4: Simplify right side
    479,664.78x = 175,276,572,214.41
  5. Step 5: Solve for x
    x = 175,276,572,214.41/479,664.78
  6. Step 6: Final answer
    x = 365,414.72

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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.