Home / 523,183.08-721,777.86-379,625.16

Finding the Fourth Proportional to 523,183.08, 721,777.86 and 379,625.16

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Solution

The fourth proportional to 523,183.08, 721,777.86 and 379,625.16 is: 523,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,183.08 : 721,777.86 = 379,625.16 : x
  2. Step 2: Convert to fraction form
    523,183.08/721,777.86 = 379,625.16/x
  3. Step 3: Cross multiply
    523,183.08x = 721,777.86 × 379,625.16
  4. Step 4: Simplify right side
    523,183.08x = 274,005,035,586.96
  5. Step 5: Solve for x
    x = 274,005,035,586.96/523,183.08
  6. Step 6: Final answer
    x = 523,726.87

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1.5x scale

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.