Home / 457,029.50-630,696.33-263,366.06

Finding the Fourth Proportional to 457,029.50, 630,696.33 and 263,366.06

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Solution

The fourth proportional to 457,029.50, 630,696.33 and 263,366.06 is: 363,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,029.50 : 630,696.33 = 263,366.06 : x
  2. Step 2: Convert to fraction form
    457,029.50/630,696.33 = 263,366.06/x
  3. Step 3: Cross multiply
    457,029.50x = 630,696.33 × 263,366.06
  4. Step 4: Simplify right side
    457,029.50x = 166,104,007,488.56
  5. Step 5: Solve for x
    x = 166,104,007,488.56/457,029.50
  6. Step 6: Final answer
    x = 363,442.64

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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.