Home / 1,635,700.96-2,257,109-1,206,212.32

Finding the Fourth Proportional to 1,635,700.96, 2,257,109 and 1,206,212.32

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Solution

The fourth proportional to 1,635,700.96, 2,257,109 and 1,206,212.32 is: 1,664,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,700.96 : 2,257,109 = 1,206,212.32 : x
  2. Step 2: Convert to fraction form
    1,635,700.96/2,257,109 = 1,206,212.32/x
  3. Step 3: Cross multiply
    1,635,700.96x = 2,257,109 × 1,206,212.32
  4. Step 4: Simplify right side
    1,635,700.96x = 2,722,552,683,382.88
  5. Step 5: Solve for x
    x = 2,722,552,683,382.88/1,635,700.96
  6. Step 6: Final answer
    x = 1,664,456.25

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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.