Home / 418,962.88-578,163.91-227,972.98

Finding the Fourth Proportional to 418,962.88, 578,163.91 and 227,972.98

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Solution

The fourth proportional to 418,962.88, 578,163.91 and 227,972.98 is: 314,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,962.88 : 578,163.91 = 227,972.98 : x
  2. Step 2: Convert to fraction form
    418,962.88/578,163.91 = 227,972.98/x
  3. Step 3: Cross multiply
    418,962.88x = 578,163.91 × 227,972.98
  4. Step 4: Simplify right side
    418,962.88x = 131,805,745,460.47
  5. Step 5: Solve for x
    x = 131,805,745,460.47/418,962.88
  6. Step 6: Final answer
    x = 314,600.06

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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.