Home / 418,134.81-577,022.86-227,149.57

Finding the Fourth Proportional to 418,134.81, 577,022.86 and 227,149.57

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Solution

The fourth proportional to 418,134.81, 577,022.86 and 227,149.57 is: 313,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,134.81 : 577,022.86 = 227,149.57 : x
  2. Step 2: Convert to fraction form
    418,134.81/577,022.86 = 227,149.57/x
  3. Step 3: Cross multiply
    418,134.81x = 577,022.86 × 227,149.57
  4. Step 4: Simplify right side
    418,134.81x = 131,070,492,927.49
  5. Step 5: Solve for x
    x = 131,070,492,927.49/418,134.81
  6. Step 6: Final answer
    x = 313,464.68

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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.