Home / 477,742.14-716,638.32-122,758.56

Finding the Fourth Proportional to 477,742.14, 716,638.32 and 122,758.56

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Solution

The fourth proportional to 477,742.14, 716,638.32 and 122,758.56 is: 184,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,742.14 : 716,638.32 = 122,758.56 : x
  2. Step 2: Convert to fraction form
    477,742.14/716,638.32 = 122,758.56/x
  3. Step 3: Cross multiply
    477,742.14x = 716,638.32 × 122,758.56
  4. Step 4: Simplify right side
    477,742.14x = 87,973,488,204.02
  5. Step 5: Solve for x
    x = 87,973,488,204.02/477,742.14
  6. Step 6: Final answer
    x = 184,144.29

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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.