Home / 1,254,779.37-1,731,609.11-681,819.55

Finding the Fourth Proportional to 1,254,779.37, 1,731,609.11 and 681,819.55

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Solution

The fourth proportional to 1,254,779.37, 1,731,609.11 and 681,819.55 is: 940,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,779.37 : 1,731,609.11 = 681,819.55 : x
  2. Step 2: Convert to fraction form
    1,254,779.37/1,731,609.11 = 681,819.55/x
  3. Step 3: Cross multiply
    1,254,779.37x = 1,731,609.11 × 681,819.55
  4. Step 4: Simplify right side
    1,254,779.37x = 1,180,644,941,531.63
  5. Step 5: Solve for x
    x = 1,180,644,941,531.63/1,254,779.37
  6. Step 6: Final answer
    x = 940,918.36

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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.