Home / 418,230.12-577,149.26-227,244.89

Finding the Fourth Proportional to 418,230.12, 577,149.26 and 227,244.89

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Solution

The fourth proportional to 418,230.12, 577,149.26 and 227,244.89 is: 313,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,230.12 : 577,149.26 = 227,244.89 : x
  2. Step 2: Convert to fraction form
    418,230.12/577,149.26 = 227,244.89/x
  3. Step 3: Cross multiply
    418,230.12x = 577,149.26 × 227,244.89
  4. Step 4: Simplify right side
    418,230.12x = 131,154,216,080.31
  5. Step 5: Solve for x
    x = 131,154,216,080.31/418,230.12
  6. Step 6: Final answer
    x = 313,593.43

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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.