Home / 1,008,997.04-1,392,397.13-550,115.58

Finding the Fourth Proportional to 1,008,997.04, 1,392,397.13 and 550,115.58

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Solution

The fourth proportional to 1,008,997.04, 1,392,397.13 and 550,115.58 is: 759,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,997.04 : 1,392,397.13 = 550,115.58 : x
  2. Step 2: Convert to fraction form
    1,008,997.04/1,392,397.13 = 550,115.58/x
  3. Step 3: Cross multiply
    1,008,997.04x = 1,392,397.13 × 550,115.58
  4. Step 4: Simplify right side
    1,008,997.04x = 765,979,352,009.71
  5. Step 5: Solve for x
    x = 765,979,352,009.71/1,008,997.04
  6. Step 6: Final answer
    x = 759,149.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.