Home / 1,200,669.44-1,656,923.27-656,805.08

Finding the Fourth Proportional to 1,200,669.44, 1,656,923.27 and 656,805.08

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Solution

The fourth proportional to 1,200,669.44, 1,656,923.27 and 656,805.08 is: 906,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,669.44 : 1,656,923.27 = 656,805.08 : x
  2. Step 2: Convert to fraction form
    1,200,669.44/1,656,923.27 = 656,805.08/x
  3. Step 3: Cross multiply
    1,200,669.44x = 1,656,923.27 × 656,805.08
  4. Step 4: Simplify right side
    1,200,669.44x = 1,088,275,621,764.49
  5. Step 5: Solve for x
    x = 1,088,275,621,764.49/1,200,669.44
  6. Step 6: Final answer
    x = 906,390.71

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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.