Home / 376,742.56-519,774.00-240,856.05

Finding the Fourth Proportional to 376,742.56, 519,774.00 and 240,856.05

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Solution

The fourth proportional to 376,742.56, 519,774.00 and 240,856.05 is: 332,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,742.56 : 519,774.00 = 240,856.05 : x
  2. Step 2: Convert to fraction form
    376,742.56/519,774.00 = 240,856.05/x
  3. Step 3: Cross multiply
    376,742.56x = 519,774.00 × 240,856.05
  4. Step 4: Simplify right side
    376,742.56x = 125,190,708,729.55
  5. Step 5: Solve for x
    x = 125,190,708,729.55/376,742.56
  6. Step 6: Final answer
    x = 332,297.76

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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.