Home / 1,694,334.10-2,338,221.69-919,997.58

Finding the Fourth Proportional to 1,694,334.10, 2,338,221.69 and 919,997.58

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Solution

The fourth proportional to 1,694,334.10, 2,338,221.69 and 919,997.58 is: 1,269,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,334.10 : 2,338,221.69 = 919,997.58 : x
  2. Step 2: Convert to fraction form
    1,694,334.10/2,338,221.69 = 919,997.58/x
  3. Step 3: Cross multiply
    1,694,334.10x = 2,338,221.69 × 919,997.58
  4. Step 4: Simplify right side
    1,694,334.10x = 2,151,158,296,303.51
  5. Step 5: Solve for x
    x = 2,151,158,296,303.51/1,694,334.10
  6. Step 6: Final answer
    x = 1,269,618.72

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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.