Home / 1,642,610.96-2,266,779.44-917,469.28

Finding the Fourth Proportional to 1,642,610.96, 2,266,779.44 and 917,469.28

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Solution

The fourth proportional to 1,642,610.96, 2,266,779.44 and 917,469.28 is: 1,266,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,610.96 : 2,266,779.44 = 917,469.28 : x
  2. Step 2: Convert to fraction form
    1,642,610.96/2,266,779.44 = 917,469.28/x
  3. Step 3: Cross multiply
    1,642,610.96x = 2,266,779.44 × 917,469.28
  4. Step 4: Simplify right side
    1,642,610.96x = 2,079,700,500,735.60
  5. Step 5: Solve for x
    x = 2,079,700,500,735.60/1,642,610.96
  6. Step 6: Final answer
    x = 1,266,094.38

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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.