Home / 1,138,363.43-1,707,358.10-408,735.63

Finding the Fourth Proportional to 1,138,363.43, 1,707,358.10 and 408,735.63

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Solution

The fourth proportional to 1,138,363.43, 1,707,358.10 and 408,735.63 is: 613,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,363.43 : 1,707,358.10 = 408,735.63 : x
  2. Step 2: Convert to fraction form
    1,138,363.43/1,707,358.10 = 408,735.63/x
  3. Step 3: Cross multiply
    1,138,363.43x = 1,707,358.10 × 408,735.63
  4. Step 4: Simplify right side
    1,138,363.43x = 697,858,089,660.94
  5. Step 5: Solve for x
    x = 697,858,089,660.94/1,138,363.43
  6. Step 6: Final answer
    x = 613,036.29

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1.5x scale

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.