Home / 806,919.92-1,112,508.92-661,183.91

Finding the Fourth Proportional to 806,919.92, 1,112,508.92 and 661,183.91

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Solution

The fourth proportional to 806,919.92, 1,112,508.92 and 661,183.91 is: 911,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,919.92 : 1,112,508.92 = 661,183.91 : x
  2. Step 2: Convert to fraction form
    806,919.92/1,112,508.92 = 661,183.91/x
  3. Step 3: Cross multiply
    806,919.92x = 1,112,508.92 × 661,183.91
  4. Step 4: Simplify right side
    806,919.92x = 735,572,994,329.56
  5. Step 5: Solve for x
    x = 735,572,994,329.56/806,919.92
  6. Step 6: Final answer
    x = 911,581.16

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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.