Home / 406,962.82-561,607.79-225,670.24

Finding the Fourth Proportional to 406,962.82, 561,607.79 and 225,670.24

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Solution

The fourth proportional to 406,962.82, 561,607.79 and 225,670.24 is: 311,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,962.82 : 561,607.79 = 225,670.24 : x
  2. Step 2: Convert to fraction form
    406,962.82/561,607.79 = 225,670.24/x
  3. Step 3: Cross multiply
    406,962.82x = 561,607.79 × 225,670.24
  4. Step 4: Simplify right side
    406,962.82x = 126,738,164,755.17
  5. Step 5: Solve for x
    x = 126,738,164,755.17/406,962.82
  6. Step 6: Final answer
    x = 311,424.43

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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.