Home / 1,905,956.26-2,860,070.36-691,627.61

Finding the Fourth Proportional to 1,905,956.26, 2,860,070.36 and 691,627.61

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Solution

The fourth proportional to 1,905,956.26, 2,860,070.36 and 691,627.61 is: 1,037,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,956.26 : 2,860,070.36 = 691,627.61 : x
  2. Step 2: Convert to fraction form
    1,905,956.26/2,860,070.36 = 691,627.61/x
  3. Step 3: Cross multiply
    1,905,956.26x = 2,860,070.36 × 691,627.61
  4. Step 4: Simplify right side
    1,905,956.26x = 1,978,103,635,101.08
  5. Step 5: Solve for x
    x = 1,978,103,635,101.08/1,905,956.26
  6. Step 6: Final answer
    x = 1,037,853.64

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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.