Home / 1,299,078.44-1,949,162.62-578,924.02

Finding the Fourth Proportional to 1,299,078.44, 1,949,162.62 and 578,924.02

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Solution

The fourth proportional to 1,299,078.44, 1,949,162.62 and 578,924.02 is: 868,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,078.44 : 1,949,162.62 = 578,924.02 : x
  2. Step 2: Convert to fraction form
    1,299,078.44/1,949,162.62 = 578,924.02/x
  3. Step 3: Cross multiply
    1,299,078.44x = 1,949,162.62 × 578,924.02
  4. Step 4: Simplify right side
    1,299,078.44x = 1,128,417,053,283.92
  5. Step 5: Solve for x
    x = 1,128,417,053,283.92/1,299,078.44
  6. Step 6: Final answer
    x = 868,628.89

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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.