Home / 406,795.78-561,383.25-234,749.45

Finding the Fourth Proportional to 406,795.78, 561,383.25 and 234,749.45

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Solution

The fourth proportional to 406,795.78, 561,383.25 and 234,749.45 is: 323,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,795.78 : 561,383.25 = 234,749.45 : x
  2. Step 2: Convert to fraction form
    406,795.78/561,383.25 = 234,749.45/x
  3. Step 3: Cross multiply
    406,795.78x = 561,383.25 × 234,749.45
  4. Step 4: Simplify right side
    406,795.78x = 131,784,409,176.71
  5. Step 5: Solve for x
    x = 131,784,409,176.71/406,795.78
  6. Step 6: Final answer
    x = 323,957.17

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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.