Home / 1,299,664.15-1,949,829.74-541,253.55

Finding the Fourth Proportional to 1,299,664.15, 1,949,829.74 and 541,253.55

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Solution

The fourth proportional to 1,299,664.15, 1,949,829.74 and 541,253.55 is: 812,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,664.15 : 1,949,829.74 = 541,253.55 : x
  2. Step 2: Convert to fraction form
    1,299,664.15/1,949,829.74 = 541,253.55/x
  3. Step 3: Cross multiply
    1,299,664.15x = 1,949,829.74 × 541,253.55
  4. Step 4: Simplify right side
    1,299,664.15x = 1,055,352,275,305.87
  5. Step 5: Solve for x
    x = 1,055,352,275,305.87/1,299,664.15
  6. Step 6: Final answer
    x = 812,019.23

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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.