Home / 1,245,982.77-1,719,457.27-673,023.40

Finding the Fourth Proportional to 1,245,982.77, 1,719,457.27 and 673,023.40

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Solution

The fourth proportional to 1,245,982.77, 1,719,457.27 and 673,023.40 is: 928,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,982.77 : 1,719,457.27 = 673,023.40 : x
  2. Step 2: Convert to fraction form
    1,245,982.77/1,719,457.27 = 673,023.40/x
  3. Step 3: Cross multiply
    1,245,982.77x = 1,719,457.27 × 673,023.40
  4. Step 4: Simplify right side
    1,245,982.77x = 1,157,234,972,028.92
  5. Step 5: Solve for x
    x = 1,157,234,972,028.92/1,245,982.77
  6. Step 6: Final answer
    x = 928,772.85

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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.