Home / 1,708,858.82-2,561,779.71-644,648.22

Finding the Fourth Proportional to 1,708,858.82, 2,561,779.71 and 644,648.22

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Solution

The fourth proportional to 1,708,858.82, 2,561,779.71 and 644,648.22 is: 966,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,858.82 : 2,561,779.71 = 644,648.22 : x
  2. Step 2: Convert to fraction form
    1,708,858.82/2,561,779.71 = 644,648.22/x
  3. Step 3: Cross multiply
    1,708,858.82x = 2,561,779.71 × 644,648.22
  4. Step 4: Simplify right side
    1,708,858.82x = 1,651,446,730,083.62
  5. Step 5: Solve for x
    x = 1,651,446,730,083.62/1,708,858.82
  6. Step 6: Final answer
    x = 966,403.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.