Home / 418,226.87-577,144.77-227,241.63

Finding the Fourth Proportional to 418,226.87, 577,144.77 and 227,241.63

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Solution

The fourth proportional to 418,226.87, 577,144.77 and 227,241.63 is: 313,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,226.87 : 577,144.77 = 227,241.63 : x
  2. Step 2: Convert to fraction form
    418,226.87/577,144.77 = 227,241.63/x
  3. Step 3: Cross multiply
    418,226.87x = 577,144.77 × 227,241.63
  4. Step 4: Simplify right side
    418,226.87x = 131,151,318,280.78
  5. Step 5: Solve for x
    x = 131,151,318,280.78/418,226.87
  6. Step 6: Final answer
    x = 313,588.93

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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.