Home / 456,921.54-630,617.94-263,291.58

Finding the Fourth Proportional to 456,921.54, 630,617.94 and 263,291.58

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Solution

The fourth proportional to 456,921.54, 630,617.94 and 263,291.58 is: 363,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,921.54 : 630,617.94 = 263,291.58 : x
  2. Step 2: Convert to fraction form
    456,921.54/630,617.94 = 263,291.58/x
  3. Step 3: Cross multiply
    456,921.54x = 630,617.94 × 263,291.58
  4. Step 4: Simplify right side
    456,921.54x = 166,036,393,798.95
  5. Step 5: Solve for x
    x = 166,036,393,798.95/456,921.54
  6. Step 6: Final answer
    x = 363,380.54

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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.