Home / 1,305,219.45-1,801,533.92-891,923.61

Finding the Fourth Proportional to 1,305,219.45, 1,801,533.92 and 891,923.61

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Solution

The fourth proportional to 1,305,219.45, 1,801,533.92 and 891,923.61 is: 1,231,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,219.45 : 1,801,533.92 = 891,923.61 : x
  2. Step 2: Convert to fraction form
    1,305,219.45/1,801,533.92 = 891,923.61/x
  3. Step 3: Cross multiply
    1,305,219.45x = 1,801,533.92 × 891,923.61
  4. Step 4: Simplify right side
    1,305,219.45x = 1,606,830,633,004.23
  5. Step 5: Solve for x
    x = 1,606,830,633,004.23/1,305,219.45
  6. Step 6: Final answer
    x = 1,231,080.82

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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.