Home / 1,229,170.80-1,844,015.40-518,833.20

Finding the Fourth Proportional to 1,229,170.80, 1,844,015.40 and 518,833.20

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Solution

The fourth proportional to 1,229,170.80, 1,844,015.40 and 518,833.20 is: 778,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,170.80 : 1,844,015.40 = 518,833.20 : x
  2. Step 2: Convert to fraction form
    1,229,170.80/1,844,015.40 = 518,833.20/x
  3. Step 3: Cross multiply
    1,229,170.80x = 1,844,015.40 × 518,833.20
  4. Step 4: Simplify right side
    1,229,170.80x = 956,736,410,831.28
  5. Step 5: Solve for x
    x = 956,736,410,831.28/1,229,170.80
  6. Step 6: Final answer
    x = 778,359.21

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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.