Home / 418,734.21-577,847.82-227,747.61

Finding the Fourth Proportional to 418,734.21, 577,847.82 and 227,747.61

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Solution

The fourth proportional to 418,734.21, 577,847.82 and 227,747.61 is: 314,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,734.21 : 577,847.82 = 227,747.61 : x
  2. Step 2: Convert to fraction form
    418,734.21/577,847.82 = 227,747.61/x
  3. Step 3: Cross multiply
    418,734.21x = 577,847.82 × 227,747.61
  4. Step 4: Simplify right side
    418,734.21x = 131,603,459,948.71
  5. Step 5: Solve for x
    x = 131,603,459,948.71/418,734.21
  6. Step 6: Final answer
    x = 314,288.77

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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.