Home / 1,081,127.04-1,491,997.32-717,924.60

Finding the Fourth Proportional to 1,081,127.04, 1,491,997.32 and 717,924.60

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Solution

The fourth proportional to 1,081,127.04, 1,491,997.32 and 717,924.60 is: 990,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,127.04 : 1,491,997.32 = 717,924.60 : x
  2. Step 2: Convert to fraction form
    1,081,127.04/1,491,997.32 = 717,924.60/x
  3. Step 3: Cross multiply
    1,081,127.04x = 1,491,997.32 × 717,924.60
  4. Step 4: Simplify right side
    1,081,127.04x = 1,071,141,579,162.07
  5. Step 5: Solve for x
    x = 1,071,141,579,162.07/1,081,127.04
  6. Step 6: Final answer
    x = 990,763.84

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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.