Home / 477,749.14-716,648.82-122,765.56

Finding the Fourth Proportional to 477,749.14, 716,648.82 and 122,765.56

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Solution

The fourth proportional to 477,749.14, 716,648.82 and 122,765.56 is: 184,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,749.14 : 716,648.82 = 122,765.56 : x
  2. Step 2: Convert to fraction form
    477,749.14/716,648.82 = 122,765.56/x
  3. Step 3: Cross multiply
    477,749.14x = 716,648.82 × 122,765.56
  4. Step 4: Simplify right side
    477,749.14x = 87,979,793,710.64
  5. Step 5: Solve for x
    x = 87,979,793,710.64/477,749.14
  6. Step 6: Final answer
    x = 184,154.79

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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.