Home / 1,299,079.06-1,949,163.56-578,924.64

Finding the Fourth Proportional to 1,299,079.06, 1,949,163.56 and 578,924.64

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Solution

The fourth proportional to 1,299,079.06, 1,949,163.56 and 578,924.64 is: 868,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,079.06 : 1,949,163.56 = 578,924.64 : x
  2. Step 2: Convert to fraction form
    1,299,079.06/1,949,163.56 = 578,924.64/x
  3. Step 3: Cross multiply
    1,299,079.06x = 1,949,163.56 × 578,924.64
  4. Step 4: Simplify right side
    1,299,079.06x = 1,128,418,814,252.40
  5. Step 5: Solve for x
    x = 1,128,418,814,252.40/1,299,079.06
  6. Step 6: Final answer
    x = 868,629.82

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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.