Home / 406,945.50-561,584.79-228,097.50

Finding the Fourth Proportional to 406,945.50, 561,584.79 and 228,097.50

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Solution

The fourth proportional to 406,945.50, 561,584.79 and 228,097.50 is: 314,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945.50 : 561,584.79 = 228,097.50 : x
  2. Step 2: Convert to fraction form
    406,945.50/561,584.79 = 228,097.50/x
  3. Step 3: Cross multiply
    406,945.50x = 561,584.79 × 228,097.50
  4. Step 4: Simplify right side
    406,945.50x = 128,096,086,637.03
  5. Step 5: Solve for x
    x = 128,096,086,637.03/406,945.50
  6. Step 6: Final answer
    x = 314,774.55

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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.