Home / 1,246,107.70-1,719,627.60-673,147.72

Finding the Fourth Proportional to 1,246,107.70, 1,719,627.60 and 673,147.72

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Solution

The fourth proportional to 1,246,107.70, 1,719,627.60 and 673,147.72 is: 928,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,107.70 : 1,719,627.60 = 673,147.72 : x
  2. Step 2: Convert to fraction form
    1,246,107.70/1,719,627.60 = 673,147.72/x
  3. Step 3: Cross multiply
    1,246,107.70x = 1,719,627.60 × 673,147.72
  4. Step 4: Simplify right side
    1,246,107.70x = 1,157,563,398,189.07
  5. Step 5: Solve for x
    x = 1,157,563,398,189.07/1,246,107.70
  6. Step 6: Final answer
    x = 928,943.30

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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.