Home / 1,617,168.96-2,427,247.44-819,011.52

Finding the Fourth Proportional to 1,617,168.96, 2,427,247.44 and 819,011.52

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Solution

The fourth proportional to 1,617,168.96, 2,427,247.44 and 819,011.52 is: 1,229,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,168.96 : 2,427,247.44 = 819,011.52 : x
  2. Step 2: Convert to fraction form
    1,617,168.96/2,427,247.44 = 819,011.52/x
  3. Step 3: Cross multiply
    1,617,168.96x = 2,427,247.44 × 819,011.52
  4. Step 4: Simplify right side
    1,617,168.96x = 1,987,943,615,250.51
  5. Step 5: Solve for x
    x = 1,987,943,615,250.51/1,617,168.96
  6. Step 6: Final answer
    x = 1,229,273.91

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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.