Home / 406,844.09-561,462.60-225,544.49

Finding the Fourth Proportional to 406,844.09, 561,462.60 and 225,544.49

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Solution

The fourth proportional to 406,844.09, 561,462.60 and 225,544.49 is: 311,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,844.09 : 561,462.60 = 225,544.49 : x
  2. Step 2: Convert to fraction form
    406,844.09/561,462.60 = 225,544.49/x
  3. Step 3: Cross multiply
    406,844.09x = 561,462.60 × 225,544.49
  4. Step 4: Simplify right side
    406,844.09x = 126,634,795,771.07
  5. Step 5: Solve for x
    x = 126,634,795,771.07/406,844.09
  6. Step 6: Final answer
    x = 311,261.24

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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.