Home / 1,286,676.77-1,929,454.43-433,589.42

Finding the Fourth Proportional to 1,286,676.77, 1,929,454.43 and 433,589.42

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Solution

The fourth proportional to 1,286,676.77, 1,929,454.43 and 433,589.42 is: 650,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,676.77 : 1,929,454.43 = 433,589.42 : x
  2. Step 2: Convert to fraction form
    1,286,676.77/1,929,454.43 = 433,589.42/x
  3. Step 3: Cross multiply
    1,286,676.77x = 1,929,454.43 × 433,589.42
  4. Step 4: Simplify right side
    1,286,676.77x = 836,591,029,875.82
  5. Step 5: Solve for x
    x = 836,591,029,875.82/1,286,676.77
  6. Step 6: Final answer
    x = 650,195.18

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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.