Home / 1,659,155.76-2,289,760.92-1,005,971.76

Finding the Fourth Proportional to 1,659,155.76, 2,289,760.92 and 1,005,971.76

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Solution

The fourth proportional to 1,659,155.76, 2,289,760.92 and 1,005,971.76 is: 1,388,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,155.76 : 2,289,760.92 = 1,005,971.76 : x
  2. Step 2: Convert to fraction form
    1,659,155.76/2,289,760.92 = 1,005,971.76/x
  3. Step 3: Cross multiply
    1,659,155.76x = 2,289,760.92 × 1,005,971.76
  4. Step 4: Simplify right side
    1,659,155.76x = 2,303,434,822,671.62
  5. Step 5: Solve for x
    x = 2,303,434,822,671.62/1,659,155.76
  6. Step 6: Final answer
    x = 1,388,317.41

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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.