Home / 850,936.12-1,174,333.50-478,516.27

Finding the Fourth Proportional to 850,936.12, 1,174,333.50 and 478,516.27

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Solution

The fourth proportional to 850,936.12, 1,174,333.50 and 478,516.27 is: 660,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,936.12 : 1,174,333.50 = 478,516.27 : x
  2. Step 2: Convert to fraction form
    850,936.12/1,174,333.50 = 478,516.27/x
  3. Step 3: Cross multiply
    850,936.12x = 1,174,333.50 × 478,516.27
  4. Step 4: Simplify right side
    850,936.12x = 561,937,689,091.88
  5. Step 5: Solve for x
    x = 561,937,689,091.88/850,936.12
  6. Step 6: Final answer
    x = 660,375.88

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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.