Home / 1,783,814-2,675,693.88-1,236,201.20

Finding the Fourth Proportional to 1,783,814, 2,675,693.88 and 1,236,201.20

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Solution

The fourth proportional to 1,783,814, 2,675,693.88 and 1,236,201.20 is: 1,854,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,814 : 2,675,693.88 = 1,236,201.20 : x
  2. Step 2: Convert to fraction form
    1,783,814/2,675,693.88 = 1,236,201.20/x
  3. Step 3: Cross multiply
    1,783,814x = 2,675,693.88 × 1,236,201.20
  4. Step 4: Simplify right side
    1,783,814x = 3,307,695,985,288.66
  5. Step 5: Solve for x
    x = 3,307,695,985,288.66/1,783,814
  6. Step 6: Final answer
    x = 1,854,283.01

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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.