Home / 1,681,558.58-2,320,600.20-917,661.44

Finding the Fourth Proportional to 1,681,558.58, 2,320,600.20 and 917,661.44

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Solution

The fourth proportional to 1,681,558.58, 2,320,600.20 and 917,661.44 is: 1,266,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,558.58 : 2,320,600.20 = 917,661.44 : x
  2. Step 2: Convert to fraction form
    1,681,558.58/2,320,600.20 = 917,661.44/x
  3. Step 3: Cross multiply
    1,681,558.58x = 2,320,600.20 × 917,661.44
  4. Step 4: Simplify right side
    1,681,558.58x = 2,129,525,321,196.29
  5. Step 5: Solve for x
    x = 2,129,525,321,196.29/1,681,558.58
  6. Step 6: Final answer
    x = 1,266,399.72

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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.