Home / 853,372.46-1,280,563.68-314,007.48

Finding the Fourth Proportional to 853,372.46, 1,280,563.68 and 314,007.48

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Solution

The fourth proportional to 853,372.46, 1,280,563.68 and 314,007.48 is: 471,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,372.46 : 1,280,563.68 = 314,007.48 : x
  2. Step 2: Convert to fraction form
    853,372.46/1,280,563.68 = 314,007.48/x
  3. Step 3: Cross multiply
    853,372.46x = 1,280,563.68 × 314,007.48
  4. Step 4: Simplify right side
    853,372.46x = 402,106,576,552.72
  5. Step 5: Solve for x
    x = 402,106,576,552.72/853,372.46
  6. Step 6: Final answer
    x = 471,197.04

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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.