Home / 418,975.59-578,186.46-227,984.88

Finding the Fourth Proportional to 418,975.59, 578,186.46 and 227,984.88

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Solution

The fourth proportional to 418,975.59, 578,186.46 and 227,984.88 is: 314,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,975.59 : 578,186.46 = 227,984.88 : x
  2. Step 2: Convert to fraction form
    418,975.59/578,186.46 = 227,984.88/x
  3. Step 3: Cross multiply
    418,975.59x = 578,186.46 × 227,984.88
  4. Step 4: Simplify right side
    418,975.59x = 131,817,770,700.73
  5. Step 5: Solve for x
    x = 131,817,770,700.73/418,975.59
  6. Step 6: Final answer
    x = 314,619.21

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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.