Home / 418,942.59-578,153.09-227,968.29

Finding the Fourth Proportional to 418,942.59, 578,153.09 and 227,968.29

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Solution

The fourth proportional to 418,942.59, 578,153.09 and 227,968.29 is: 314,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,942.59 : 578,153.09 = 227,968.29 : x
  2. Step 2: Convert to fraction form
    418,942.59/578,153.09 = 227,968.29/x
  3. Step 3: Cross multiply
    418,942.59x = 578,153.09 × 227,968.29
  4. Step 4: Simplify right side
    418,942.59x = 131,800,570,145.68
  5. Step 5: Solve for x
    x = 131,800,570,145.68/418,942.59
  6. Step 6: Final answer
    x = 314,602.94

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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.