Home / 479,629.28-661,905.24-264,777.32

Finding the Fourth Proportional to 479,629.28, 661,905.24 and 264,777.32

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Solution

The fourth proportional to 479,629.28, 661,905.24 and 264,777.32 is: 365,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,629.28 : 661,905.24 = 264,777.32 : x
  2. Step 2: Convert to fraction form
    479,629.28/661,905.24 = 264,777.32/x
  3. Step 3: Cross multiply
    479,629.28x = 661,905.24 × 264,777.32
  4. Step 4: Simplify right side
    479,629.28x = 175,257,495,541.16
  5. Step 5: Solve for x
    x = 175,257,495,541.16/479,629.28
  6. Step 6: Final answer
    x = 365,401.99

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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.