Home / 561,928.08-841,871.28-324,769.76

Finding the Fourth Proportional to 561,928.08, 841,871.28 and 324,769.76

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Solution

The fourth proportional to 561,928.08, 841,871.28 and 324,769.76 is: 486,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,928.08 : 841,871.28 = 324,769.76 : x
  2. Step 2: Convert to fraction form
    561,928.08/841,871.28 = 324,769.76/x
  3. Step 3: Cross multiply
    561,928.08x = 841,871.28 × 324,769.76
  4. Step 4: Simplify right side
    561,928.08x = 273,414,333,556.49
  5. Step 5: Solve for x
    x = 273,414,333,556.49/561,928.08
  6. Step 6: Final answer
    x = 486,564.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.