Home / 418,231.46-577,158.42-227,245.58

Finding the Fourth Proportional to 418,231.46, 577,158.42 and 227,245.58

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Solution

The fourth proportional to 418,231.46, 577,158.42 and 227,245.58 is: 313,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,231.46 : 577,158.42 = 227,245.58 : x
  2. Step 2: Convert to fraction form
    418,231.46/577,158.42 = 227,245.58/x
  3. Step 3: Cross multiply
    418,231.46x = 577,158.42 × 227,245.58
  4. Step 4: Simplify right side
    418,231.46x = 131,156,699,904.78
  5. Step 5: Solve for x
    x = 131,156,699,904.78/418,231.46
  6. Step 6: Final answer
    x = 313,598.36

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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.