Home / 457,181.61-630,856.73-263,587.16

Finding the Fourth Proportional to 457,181.61, 630,856.73 and 263,587.16

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Solution

The fourth proportional to 457,181.61, 630,856.73 and 263,587.16 is: 363,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,181.61 : 630,856.73 = 263,587.16 : x
  2. Step 2: Convert to fraction form
    457,181.61/630,856.73 = 263,587.16/x
  3. Step 3: Cross multiply
    457,181.61x = 630,856.73 × 263,587.16
  4. Step 4: Simplify right side
    457,181.61x = 166,285,729,355.37
  5. Step 5: Solve for x
    x = 166,285,729,355.37/457,181.61
  6. Step 6: Final answer
    x = 363,719.20

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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.