Home / 1,877,233.21-2,814,179.83-678,889.12

Finding the Fourth Proportional to 1,877,233.21, 2,814,179.83 and 678,889.12

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Solution

The fourth proportional to 1,877,233.21, 2,814,179.83 and 678,889.12 is: 1,017,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,233.21 : 2,814,179.83 = 678,889.12 : x
  2. Step 2: Convert to fraction form
    1,877,233.21/2,814,179.83 = 678,889.12/x
  3. Step 3: Cross multiply
    1,877,233.21x = 2,814,179.83 × 678,889.12
  4. Step 4: Simplify right side
    1,877,233.21x = 1,910,516,068,310.45
  5. Step 5: Solve for x
    x = 1,910,516,068,310.45/1,877,233.21
  6. Step 6: Final answer
    x = 1,017,729.74

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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.