Home / 479,629.77-661,889.19-264,769.98

Finding the Fourth Proportional to 479,629.77, 661,889.19 and 264,769.98

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Solution

The fourth proportional to 479,629.77, 661,889.19 and 264,769.98 is: 365,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,629.77 : 661,889.19 = 264,769.98 : x
  2. Step 2: Convert to fraction form
    479,629.77/661,889.19 = 264,769.98/x
  3. Step 3: Cross multiply
    479,629.77x = 661,889.19 × 264,769.98
  4. Step 4: Simplify right side
    479,629.77x = 175,248,387,598.52
  5. Step 5: Solve for x
    x = 175,248,387,598.52/479,629.77
  6. Step 6: Final answer
    x = 365,382.63

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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.