Home / 1,286,676.02-1,929,453.31-433,588.68

Finding the Fourth Proportional to 1,286,676.02, 1,929,453.31 and 433,588.68

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Solution

The fourth proportional to 1,286,676.02, 1,929,453.31 and 433,588.68 is: 650,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,676.02 : 1,929,453.31 = 433,588.68 : x
  2. Step 2: Convert to fraction form
    1,286,676.02/1,929,453.31 = 433,588.68/x
  3. Step 3: Cross multiply
    1,286,676.02x = 1,929,453.31 × 433,588.68
  4. Step 4: Simplify right side
    1,286,676.02x = 836,589,113,804.53
  5. Step 5: Solve for x
    x = 836,589,113,804.53/1,286,676.02
  6. Step 6: Final answer
    x = 650,194.07

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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.